Home / 27,126.38-40,711.64-13,982.51

Finding the Fourth Proportional to 27,126.38, 40,711.64 and 13,982.51

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Solution

The fourth proportional to 27,126.38, 40,711.64 and 13,982.51 is: 20,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.38 : 40,711.64 = 13,982.51 : x
  2. Step 2: Convert to fraction form
    27,126.38/40,711.64 = 13,982.51/x
  3. Step 3: Cross multiply
    27,126.38x = 40,711.64 × 13,982.51
  4. Step 4: Simplify right side
    27,126.38x = 569,250,913.42
  5. Step 5: Solve for x
    x = 569,250,913.42/27,126.38
  6. Step 6: Final answer
    x = 20,985.14

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1.5x scale

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.