Home / 26,624.80-39,916.16-13,290.95

Finding the Fourth Proportional to 26,624.80, 39,916.16 and 13,290.95

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Solution

The fourth proportional to 26,624.80, 39,916.16 and 13,290.95 is: 19,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.80 : 39,916.16 = 13,290.95 : x
  2. Step 2: Convert to fraction form
    26,624.80/39,916.16 = 13,290.95/x
  3. Step 3: Cross multiply
    26,624.80x = 39,916.16 × 13,290.95
  4. Step 4: Simplify right side
    26,624.80x = 530,523,769.93
  5. Step 5: Solve for x
    x = 530,523,769.93/26,624.80
  6. Step 6: Final answer
    x = 19,925.92

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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.