Home / 27,926.32-38,538.13-15,179.18

Finding the Fourth Proportional to 27,926.32, 38,538.13 and 15,179.18

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Solution

The fourth proportional to 27,926.32, 38,538.13 and 15,179.18 is: 20,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.32 : 38,538.13 = 15,179.18 : x
  2. Step 2: Convert to fraction form
    27,926.32/38,538.13 = 15,179.18/x
  3. Step 3: Cross multiply
    27,926.32x = 38,538.13 × 15,179.18
  4. Step 4: Simplify right side
    27,926.32x = 584,977,389.32
  5. Step 5: Solve for x
    x = 584,977,389.32/27,926.32
  6. Step 6: Final answer
    x = 20,947.17

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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.