Home / 26,400.90-39,598.56-13,915.92

Finding the Fourth Proportional to 26,400.90, 39,598.56 and 13,915.92

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Solution

The fourth proportional to 26,400.90, 39,598.56 and 13,915.92 is: 20,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.90 : 39,598.56 = 13,915.92 : x
  2. Step 2: Convert to fraction form
    26,400.90/39,598.56 = 13,915.92/x
  3. Step 3: Cross multiply
    26,400.90x = 39,598.56 × 13,915.92
  4. Step 4: Simplify right side
    26,400.90x = 551,050,393.08
  5. Step 5: Solve for x
    x = 551,050,393.08/26,400.90
  6. Step 6: Final answer
    x = 20,872.41

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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.