Home / 25,656.60-38,420.10-16,843.80

Finding the Fourth Proportional to 25,656.60, 38,420.10 and 16,843.80

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Solution

The fourth proportional to 25,656.60, 38,420.10 and 16,843.80 is: 25,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.60 : 38,420.10 = 16,843.80 : x
  2. Step 2: Convert to fraction form
    25,656.60/38,420.10 = 16,843.80/x
  3. Step 3: Cross multiply
    25,656.60x = 38,420.10 × 16,843.80
  4. Step 4: Simplify right side
    25,656.60x = 647,140,480.38
  5. Step 5: Solve for x
    x = 647,140,480.38/25,656.60
  6. Step 6: Final answer
    x = 25,223.16

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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.