Home / 25,273.60-37,910.40-16,979.20

Finding the Fourth Proportional to 25,273.60, 37,910.40 and 16,979.20

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Solution

The fourth proportional to 25,273.60, 37,910.40 and 16,979.20 is: 25,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,273.60 : 37,910.40 = 16,979.20 : x
  2. Step 2: Convert to fraction form
    25,273.60/37,910.40 = 16,979.20/x
  3. Step 3: Cross multiply
    25,273.60x = 37,910.40 × 16,979.20
  4. Step 4: Simplify right side
    25,273.60x = 643,688,263.68
  5. Step 5: Solve for x
    x = 643,688,263.68/25,273.60
  6. Step 6: Final answer
    x = 25,468.80

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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.