Home / 25,081.72-37,649.85-18,859.58

Finding the Fourth Proportional to 25,081.72, 37,649.85 and 18,859.58

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Solution

The fourth proportional to 25,081.72, 37,649.85 and 18,859.58 is: 28,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.72 : 37,649.85 = 18,859.58 : x
  2. Step 2: Convert to fraction form
    25,081.72/37,649.85 = 18,859.58/x
  3. Step 3: Cross multiply
    25,081.72x = 37,649.85 × 18,859.58
  4. Step 4: Simplify right side
    25,081.72x = 710,060,358.06
  5. Step 5: Solve for x
    x = 710,060,358.06/25,081.72
  6. Step 6: Final answer
    x = 28,309.88

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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.