Home / 22,586.80-31,180.80-15,037.60

Finding the Fourth Proportional to 22,586.80, 31,180.80 and 15,037.60

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Solution

The fourth proportional to 22,586.80, 31,180.80 and 15,037.60 is: 20,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,586.80 : 31,180.80 = 15,037.60 : x
  2. Step 2: Convert to fraction form
    22,586.80/31,180.80 = 15,037.60/x
  3. Step 3: Cross multiply
    22,586.80x = 31,180.80 × 15,037.60
  4. Step 4: Simplify right side
    22,586.80x = 468,884,398.08
  5. Step 5: Solve for x
    x = 468,884,398.08/22,586.80
  6. Step 6: Final answer
    x = 20,759.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.