Home / 27,948.18-38,567.66-15,372.92

Finding the Fourth Proportional to 27,948.18, 38,567.66 and 15,372.92

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Solution

The fourth proportional to 27,948.18, 38,567.66 and 15,372.92 is: 21,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.18 : 38,567.66 = 15,372.92 : x
  2. Step 2: Convert to fraction form
    27,948.18/38,567.66 = 15,372.92/x
  3. Step 3: Cross multiply
    27,948.18x = 38,567.66 × 15,372.92
  4. Step 4: Simplify right side
    27,948.18x = 592,897,551.77
  5. Step 5: Solve for x
    x = 592,897,551.77/27,948.18
  6. Step 6: Final answer
    x = 21,214.17

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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.