Home / 27,995.68-38,620.56-17,397.76

Finding the Fourth Proportional to 27,995.68, 38,620.56 and 17,397.76

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Solution

The fourth proportional to 27,995.68, 38,620.56 and 17,397.76 is: 24,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.68 : 38,620.56 = 17,397.76 : x
  2. Step 2: Convert to fraction form
    27,995.68/38,620.56 = 17,397.76/x
  3. Step 3: Cross multiply
    27,995.68x = 38,620.56 × 17,397.76
  4. Step 4: Simplify right side
    27,995.68x = 671,911,233.95
  5. Step 5: Solve for x
    x = 671,911,233.95/27,995.68
  6. Step 6: Final answer
    x = 24,000.53

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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.