Home / 28,294.89-42,451.53-13,501.90

Finding the Fourth Proportional to 28,294.89, 42,451.53 and 13,501.90

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Solution

The fourth proportional to 28,294.89, 42,451.53 and 13,501.90 is: 20,257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.89 : 42,451.53 = 13,501.90 : x
  2. Step 2: Convert to fraction form
    28,294.89/42,451.53 = 13,501.90/x
  3. Step 3: Cross multiply
    28,294.89x = 42,451.53 × 13,501.90
  4. Step 4: Simplify right side
    28,294.89x = 573,176,312.91
  5. Step 5: Solve for x
    x = 573,176,312.91/28,294.89
  6. Step 6: Final answer
    x = 20,257.24

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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.