Home / 32,009.50-47,998.90-15,128.46

Finding the Fourth Proportional to 32,009.50, 47,998.90 and 15,128.46

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Solution

The fourth proportional to 32,009.50, 47,998.90 and 15,128.46 is: 22,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,009.50 : 47,998.90 = 15,128.46 : x
  2. Step 2: Convert to fraction form
    32,009.50/47,998.90 = 15,128.46/x
  3. Step 3: Cross multiply
    32,009.50x = 47,998.90 × 15,128.46
  4. Step 4: Simplify right side
    32,009.50x = 726,149,438.69
  5. Step 5: Solve for x
    x = 726,149,438.69/32,009.50
  6. Step 6: Final answer
    x = 22,685.44

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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.