Home / 26,154.34-36,091.92-15,543.88

Finding the Fourth Proportional to 26,154.34, 36,091.92 and 15,543.88

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Solution

The fourth proportional to 26,154.34, 36,091.92 and 15,543.88 is: 21,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,154.34 : 36,091.92 = 15,543.88 : x
  2. Step 2: Convert to fraction form
    26,154.34/36,091.92 = 15,543.88/x
  3. Step 3: Cross multiply
    26,154.34x = 36,091.92 × 15,543.88
  4. Step 4: Simplify right side
    26,154.34x = 561,008,473.45
  5. Step 5: Solve for x
    x = 561,008,473.45/26,154.34
  6. Step 6: Final answer
    x = 21,449.92

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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.