Home / 28,041.73-38,701.78-17,981.53

Finding the Fourth Proportional to 28,041.73, 38,701.78 and 17,981.53

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Solution

The fourth proportional to 28,041.73, 38,701.78 and 17,981.53 is: 24,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.73 : 38,701.78 = 17,981.53 : x
  2. Step 2: Convert to fraction form
    28,041.73/38,701.78 = 17,981.53/x
  3. Step 3: Cross multiply
    28,041.73x = 38,701.78 × 17,981.53
  4. Step 4: Simplify right side
    28,041.73x = 695,917,076.42
  5. Step 5: Solve for x
    x = 695,917,076.42/28,041.73
  6. Step 6: Final answer
    x = 24,817.20

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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.