Home / 27,987.06-38,543.85-23,227.50

Finding the Fourth Proportional to 27,987.06, 38,543.85 and 23,227.50

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Solution

The fourth proportional to 27,987.06, 38,543.85 and 23,227.50 is: 31,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,987.06 : 38,543.85 = 23,227.50 : x
  2. Step 2: Convert to fraction form
    27,987.06/38,543.85 = 23,227.50/x
  3. Step 3: Cross multiply
    27,987.06x = 38,543.85 × 23,227.50
  4. Step 4: Simplify right side
    27,987.06x = 895,277,275.88
  5. Step 5: Solve for x
    x = 895,277,275.88/27,987.06
  6. Step 6: Final answer
    x = 31,988.97

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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.