Home / 28,508.90-39,287.85-24,776.42

Finding the Fourth Proportional to 28,508.90, 39,287.85 and 24,776.42

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Solution

The fourth proportional to 28,508.90, 39,287.85 and 24,776.42 is: 34,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.90 : 39,287.85 = 24,776.42 : x
  2. Step 2: Convert to fraction form
    28,508.90/39,287.85 = 24,776.42/x
  3. Step 3: Cross multiply
    28,508.90x = 39,287.85 × 24,776.42
  4. Step 4: Simplify right side
    28,508.90x = 973,412,272.50
  5. Step 5: Solve for x
    x = 973,412,272.50/28,508.90
  6. Step 6: Final answer
    x = 34,144.15

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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.