Home / 24,120.02-36,015.84-21,285.20

Finding the Fourth Proportional to 24,120.02, 36,015.84 and 21,285.20

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Solution

The fourth proportional to 24,120.02, 36,015.84 and 21,285.20 is: 31,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.02 : 36,015.84 = 21,285.20 : x
  2. Step 2: Convert to fraction form
    24,120.02/36,015.84 = 21,285.20/x
  3. Step 3: Cross multiply
    24,120.02x = 36,015.84 × 21,285.20
  4. Step 4: Simplify right side
    24,120.02x = 766,604,177.49
  5. Step 5: Solve for x
    x = 766,604,177.49/24,120.02
  6. Step 6: Final answer
    x = 31,782.91

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.