Home / 28,026.95-38,677.03-15,451.70

Finding the Fourth Proportional to 28,026.95, 38,677.03 and 15,451.70

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Solution

The fourth proportional to 28,026.95, 38,677.03 and 15,451.70 is: 21,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.95 : 38,677.03 = 15,451.70 : x
  2. Step 2: Convert to fraction form
    28,026.95/38,677.03 = 15,451.70/x
  3. Step 3: Cross multiply
    28,026.95x = 38,677.03 × 15,451.70
  4. Step 4: Simplify right side
    28,026.95x = 597,625,632.44
  5. Step 5: Solve for x
    x = 597,625,632.44/28,026.95
  6. Step 6: Final answer
    x = 21,323.25

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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.