Home / 28,874.34-39,864.96-23,581.80

Finding the Fourth Proportional to 28,874.34, 39,864.96 and 23,581.80

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Solution

The fourth proportional to 28,874.34, 39,864.96 and 23,581.80 is: 32,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.34 : 39,864.96 = 23,581.80 : x
  2. Step 2: Convert to fraction form
    28,874.34/39,864.96 = 23,581.80/x
  3. Step 3: Cross multiply
    28,874.34x = 39,864.96 × 23,581.80
  4. Step 4: Simplify right side
    28,874.34x = 940,087,513.73
  5. Step 5: Solve for x
    x = 940,087,513.73/28,874.34
  6. Step 6: Final answer
    x = 32,557.89

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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.