Home / 27,818.76-38,389.96-15,071.97

Finding the Fourth Proportional to 27,818.76, 38,389.96 and 15,071.97

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Solution

The fourth proportional to 27,818.76, 38,389.96 and 15,071.97 is: 20,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.76 : 38,389.96 = 15,071.97 : x
  2. Step 2: Convert to fraction form
    27,818.76/38,389.96 = 15,071.97/x
  3. Step 3: Cross multiply
    27,818.76x = 38,389.96 × 15,071.97
  4. Step 4: Simplify right side
    27,818.76x = 578,612,325.42
  5. Step 5: Solve for x
    x = 578,612,325.42/27,818.76
  6. Step 6: Final answer
    x = 20,799.36

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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.