Home / 28,026.48-38,677.02-15,451.20

Finding the Fourth Proportional to 28,026.48, 38,677.02 and 15,451.20

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Solution

The fourth proportional to 28,026.48, 38,677.02 and 15,451.20 is: 21,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.48 : 38,677.02 = 15,451.20 : x
  2. Step 2: Convert to fraction form
    28,026.48/38,677.02 = 15,451.20/x
  3. Step 3: Cross multiply
    28,026.48x = 38,677.02 × 15,451.20
  4. Step 4: Simplify right side
    28,026.48x = 597,606,371.42
  5. Step 5: Solve for x
    x = 597,606,371.42/28,026.48
  6. Step 6: Final answer
    x = 21,322.92

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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.