Home / 25,265.71-34,869.14-18,881.21

Finding the Fourth Proportional to 25,265.71, 34,869.14 and 18,881.21

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Solution

The fourth proportional to 25,265.71, 34,869.14 and 18,881.21 is: 26,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.71 : 34,869.14 = 18,881.21 : x
  2. Step 2: Convert to fraction form
    25,265.71/34,869.14 = 18,881.21/x
  3. Step 3: Cross multiply
    25,265.71x = 34,869.14 × 18,881.21
  4. Step 4: Simplify right side
    25,265.71x = 658,371,554.86
  5. Step 5: Solve for x
    x = 658,371,554.86/25,265.71
  6. Step 6: Final answer
    x = 26,057.91

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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.