Home / 25,233.49-37,981.82-21,428.11

Finding the Fourth Proportional to 25,233.49, 37,981.82 and 21,428.11

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Solution

The fourth proportional to 25,233.49, 37,981.82 and 21,428.11 is: 32,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,233.49 : 37,981.82 = 21,428.11 : x
  2. Step 2: Convert to fraction form
    25,233.49/37,981.82 = 21,428.11/x
  3. Step 3: Cross multiply
    25,233.49x = 37,981.82 × 21,428.11
  4. Step 4: Simplify right side
    25,233.49x = 813,878,616.96
  5. Step 5: Solve for x
    x = 813,878,616.96/25,233.49
  6. Step 6: Final answer
    x = 32,253.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.