Home / 28,422.97-42,727.86-26,367.76

Finding the Fourth Proportional to 28,422.97, 42,727.86 and 26,367.76

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Solution

The fourth proportional to 28,422.97, 42,727.86 and 26,367.76 is: 39,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.97 : 42,727.86 = 26,367.76 : x
  2. Step 2: Convert to fraction form
    28,422.97/42,727.86 = 26,367.76/x
  3. Step 3: Cross multiply
    28,422.97x = 42,727.86 × 26,367.76
  4. Step 4: Simplify right side
    28,422.97x = 1,126,638,011.20
  5. Step 5: Solve for x
    x = 1,126,638,011.20/28,422.97
  6. Step 6: Final answer
    x = 39,638.29

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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.