Home / 27,841.38-38,421.10-15,266.40

Finding the Fourth Proportional to 27,841.38, 38,421.10 and 15,266.40

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Solution

The fourth proportional to 27,841.38, 38,421.10 and 15,266.40 is: 21,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.38 : 38,421.10 = 15,266.40 : x
  2. Step 2: Convert to fraction form
    27,841.38/38,421.10 = 15,266.40/x
  3. Step 3: Cross multiply
    27,841.38x = 38,421.10 × 15,266.40
  4. Step 4: Simplify right side
    27,841.38x = 586,551,688.93
  5. Step 5: Solve for x
    x = 586,551,688.93/27,841.38
  6. Step 6: Final answer
    x = 21,067.63

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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.