Home / 28,529.56-42,755.46-13,737.40

Finding the Fourth Proportional to 28,529.56, 42,755.46 and 13,737.40

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Solution

The fourth proportional to 28,529.56, 42,755.46 and 13,737.40 is: 20,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.56 : 42,755.46 = 13,737.40 : x
  2. Step 2: Convert to fraction form
    28,529.56/42,755.46 = 13,737.40/x
  3. Step 3: Cross multiply
    28,529.56x = 42,755.46 × 13,737.40
  4. Step 4: Simplify right side
    28,529.56x = 587,348,856.20
  5. Step 5: Solve for x
    x = 587,348,856.20/28,529.56
  6. Step 6: Final answer
    x = 20,587.38

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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.