Home / 28,337.72-42,506.66-13,543.28

Finding the Fourth Proportional to 28,337.72, 42,506.66 and 13,543.28

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Solution

The fourth proportional to 28,337.72, 42,506.66 and 13,543.28 is: 20,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.72 : 42,506.66 = 13,543.28 : x
  2. Step 2: Convert to fraction form
    28,337.72/42,506.66 = 13,543.28/x
  3. Step 3: Cross multiply
    28,337.72x = 42,506.66 × 13,543.28
  4. Step 4: Simplify right side
    28,337.72x = 575,679,598.24
  5. Step 5: Solve for x
    x = 575,679,598.24/28,337.72
  6. Step 6: Final answer
    x = 20,314.96

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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.