Home / 25,915.95-38,864.21-11,117.25

Finding the Fourth Proportional to 25,915.95, 38,864.21 and 11,117.25

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Solution

The fourth proportional to 25,915.95, 38,864.21 and 11,117.25 is: 16,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.95 : 38,864.21 = 11,117.25 : x
  2. Step 2: Convert to fraction form
    25,915.95/38,864.21 = 11,117.25/x
  3. Step 3: Cross multiply
    25,915.95x = 38,864.21 × 11,117.25
  4. Step 4: Simplify right side
    25,915.95x = 432,063,083.04
  5. Step 5: Solve for x
    x = 432,063,083.04/25,915.95
  6. Step 6: Final answer
    x = 16,671.71

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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.