Home / 25,909.19-38,862.16-8,377.55

Finding the Fourth Proportional to 25,909.19, 38,862.16 and 8,377.55

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Solution

The fourth proportional to 25,909.19, 38,862.16 and 8,377.55 is: 12,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.19 : 38,862.16 = 8,377.55 : x
  2. Step 2: Convert to fraction form
    25,909.19/38,862.16 = 8,377.55/x
  3. Step 3: Cross multiply
    25,909.19x = 38,862.16 × 8,377.55
  4. Step 4: Simplify right side
    25,909.19x = 325,569,688.51
  5. Step 5: Solve for x
    x = 325,569,688.51/25,909.19
  6. Step 6: Final answer
    x = 12,565.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.