Home / 15,717.60-23,552.10-13,627.80

Finding the Fourth Proportional to 15,717.60, 23,552.10 and 13,627.80

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Solution

The fourth proportional to 15,717.60, 23,552.10 and 13,627.80 is: 20,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.60 : 23,552.10 = 13,627.80 : x
  2. Step 2: Convert to fraction form
    15,717.60/23,552.10 = 13,627.80/x
  3. Step 3: Cross multiply
    15,717.60x = 23,552.10 × 13,627.80
  4. Step 4: Simplify right side
    15,717.60x = 320,963,308.38
  5. Step 5: Solve for x
    x = 320,963,308.38/15,717.60
  6. Step 6: Final answer
    x = 20,420.63

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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.