Home / 25,330.40-37,995.60-15,999.20

Finding the Fourth Proportional to 25,330.40, 37,995.60 and 15,999.20

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Solution

The fourth proportional to 25,330.40, 37,995.60 and 15,999.20 is: 23,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.40 : 37,995.60 = 15,999.20 : x
  2. Step 2: Convert to fraction form
    25,330.40/37,995.60 = 15,999.20/x
  3. Step 3: Cross multiply
    25,330.40x = 37,995.60 × 15,999.20
  4. Step 4: Simplify right side
    25,330.40x = 607,899,203.52
  5. Step 5: Solve for x
    x = 607,899,203.52/25,330.40
  6. Step 6: Final answer
    x = 23,998.80

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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.