Home / 52,720.32-72,753.36-28,846.56

Finding the Fourth Proportional to 52,720.32, 72,753.36 and 28,846.56

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Solution

The fourth proportional to 52,720.32, 72,753.36 and 28,846.56 is: 39,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.32 : 72,753.36 = 28,846.56 : x
  2. Step 2: Convert to fraction form
    52,720.32/72,753.36 = 28,846.56/x
  3. Step 3: Cross multiply
    52,720.32x = 72,753.36 × 28,846.56
  4. Step 4: Simplify right side
    52,720.32x = 2,098,684,164.44
  5. Step 5: Solve for x
    x = 2,098,684,164.44/52,720.32
  6. Step 6: Final answer
    x = 39,807.88

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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.