Home / 28,298.69-39,013.17-22,575.57

Finding the Fourth Proportional to 28,298.69, 39,013.17 and 22,575.57

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Solution

The fourth proportional to 28,298.69, 39,013.17 and 22,575.57 is: 31,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.69 : 39,013.17 = 22,575.57 : x
  2. Step 2: Convert to fraction form
    28,298.69/39,013.17 = 22,575.57/x
  3. Step 3: Cross multiply
    28,298.69x = 39,013.17 × 22,575.57
  4. Step 4: Simplify right side
    28,298.69x = 880,744,550.26
  5. Step 5: Solve for x
    x = 880,744,550.26/28,298.69
  6. Step 6: Final answer
    x = 31,123.16

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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.