Home / 28,026.68-38,677.08-15,451.88

Finding the Fourth Proportional to 28,026.68, 38,677.08 and 15,451.88

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Solution

The fourth proportional to 28,026.68, 38,677.08 and 15,451.88 is: 21,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.68 : 38,677.08 = 15,451.88 : x
  2. Step 2: Convert to fraction form
    28,026.68/38,677.08 = 15,451.88/x
  3. Step 3: Cross multiply
    28,026.68x = 38,677.08 × 15,451.88
  4. Step 4: Simplify right side
    28,026.68x = 597,633,598.91
  5. Step 5: Solve for x
    x = 597,633,598.91/28,026.68
  6. Step 6: Final answer
    x = 21,323.74

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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.