Home / 25,086.60-37,601.28-11,920.32

Finding the Fourth Proportional to 25,086.60, 37,601.28 and 11,920.32

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Solution

The fourth proportional to 25,086.60, 37,601.28 and 11,920.32 is: 17,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,086.60 : 37,601.28 = 11,920.32 : x
  2. Step 2: Convert to fraction form
    25,086.60/37,601.28 = 11,920.32/x
  3. Step 3: Cross multiply
    25,086.60x = 37,601.28 × 11,920.32
  4. Step 4: Simplify right side
    25,086.60x = 448,219,290.01
  5. Step 5: Solve for x
    x = 448,219,290.01/25,086.60
  6. Step 6: Final answer
    x = 17,866.88

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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.