Home / 25,836.94-38,657.59-15,312.61

Finding the Fourth Proportional to 25,836.94, 38,657.59 and 15,312.61

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Solution

The fourth proportional to 25,836.94, 38,657.59 and 15,312.61 is: 22,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.94 : 38,657.59 = 15,312.61 : x
  2. Step 2: Convert to fraction form
    25,836.94/38,657.59 = 15,312.61/x
  3. Step 3: Cross multiply
    25,836.94x = 38,657.59 × 15,312.61
  4. Step 4: Simplify right side
    25,836.94x = 591,948,599.21
  5. Step 5: Solve for x
    x = 591,948,599.21/25,836.94
  6. Step 6: Final answer
    x = 22,910.94

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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.