Home / 25,070.40-37,531.80-18,525.78

Finding the Fourth Proportional to 25,070.40, 37,531.80 and 18,525.78

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Solution

The fourth proportional to 25,070.40, 37,531.80 and 18,525.78 is: 27,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.40 : 37,531.80 = 18,525.78 : x
  2. Step 2: Convert to fraction form
    25,070.40/37,531.80 = 18,525.78/x
  3. Step 3: Cross multiply
    25,070.40x = 37,531.80 × 18,525.78
  4. Step 4: Simplify right side
    25,070.40x = 695,305,869.80
  5. Step 5: Solve for x
    x = 695,305,869.80/25,070.40
  6. Step 6: Final answer
    x = 27,734.14

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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.