Home / 25,294.80-34,860.27-20,275.62

Finding the Fourth Proportional to 25,294.80, 34,860.27 and 20,275.62

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Solution

The fourth proportional to 25,294.80, 34,860.27 and 20,275.62 is: 27,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.80 : 34,860.27 = 20,275.62 : x
  2. Step 2: Convert to fraction form
    25,294.80/34,860.27 = 20,275.62/x
  3. Step 3: Cross multiply
    25,294.80x = 34,860.27 × 20,275.62
  4. Step 4: Simplify right side
    25,294.80x = 706,813,587.62
  5. Step 5: Solve for x
    x = 706,813,587.62/25,294.80
  6. Step 6: Final answer
    x = 27,943.04

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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.