Home / 29,489.32-40,655.46-28,572.04

Finding the Fourth Proportional to 29,489.32, 40,655.46 and 28,572.04

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Solution

The fourth proportional to 29,489.32, 40,655.46 and 28,572.04 is: 39,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.32 : 40,655.46 = 28,572.04 : x
  2. Step 2: Convert to fraction form
    29,489.32/40,655.46 = 28,572.04/x
  3. Step 3: Cross multiply
    29,489.32x = 40,655.46 × 28,572.04
  4. Step 4: Simplify right side
    29,489.32x = 1,161,609,429.34
  5. Step 5: Solve for x
    x = 1,161,609,429.34/29,489.32
  6. Step 6: Final answer
    x = 39,390.85

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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.