Home / 28,395.20-42,601.02-11,752.16

Finding the Fourth Proportional to 28,395.20, 42,601.02 and 11,752.16

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Solution

The fourth proportional to 28,395.20, 42,601.02 and 11,752.16 is: 17,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.20 : 42,601.02 = 11,752.16 : x
  2. Step 2: Convert to fraction form
    28,395.20/42,601.02 = 11,752.16/x
  3. Step 3: Cross multiply
    28,395.20x = 42,601.02 × 11,752.16
  4. Step 4: Simplify right side
    28,395.20x = 500,654,003.20
  5. Step 5: Solve for x
    x = 500,654,003.20/28,395.20
  6. Step 6: Final answer
    x = 17,631.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.