Home / 38,281.24-52,829.87-21,287.20

Finding the Fourth Proportional to 38,281.24, 52,829.87 and 21,287.20

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Solution

The fourth proportional to 38,281.24, 52,829.87 and 21,287.20 is: 29,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.24 : 52,829.87 = 21,287.20 : x
  2. Step 2: Convert to fraction form
    38,281.24/52,829.87 = 21,287.20/x
  3. Step 3: Cross multiply
    38,281.24x = 52,829.87 × 21,287.20
  4. Step 4: Simplify right side
    38,281.24x = 1,124,600,008.66
  5. Step 5: Solve for x
    x = 1,124,600,008.66/38,281.24
  6. Step 6: Final answer
    x = 29,377.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.