Home / 20,878.59-31,306.18-9,024.96

Finding the Fourth Proportional to 20,878.59, 31,306.18 and 9,024.96

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Solution

The fourth proportional to 20,878.59, 31,306.18 and 9,024.96 is: 13,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,878.59 : 31,306.18 = 9,024.96 : x
  2. Step 2: Convert to fraction form
    20,878.59/31,306.18 = 9,024.96/x
  3. Step 3: Cross multiply
    20,878.59x = 31,306.18 × 9,024.96
  4. Step 4: Simplify right side
    20,878.59x = 282,537,022.25
  5. Step 5: Solve for x
    x = 282,537,022.25/20,878.59
  6. Step 6: Final answer
    x = 13,532.38

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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.