Home / 28,099.05-42,024.65-25,000.80

Finding the Fourth Proportional to 28,099.05, 42,024.65 and 25,000.80

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Solution

The fourth proportional to 28,099.05, 42,024.65 and 25,000.80 is: 37,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.05 : 42,024.65 = 25,000.80 : x
  2. Step 2: Convert to fraction form
    28,099.05/42,024.65 = 25,000.80/x
  3. Step 3: Cross multiply
    28,099.05x = 42,024.65 × 25,000.80
  4. Step 4: Simplify right side
    28,099.05x = 1,050,649,744.72
  5. Step 5: Solve for x
    x = 1,050,649,744.72/28,099.05
  6. Step 6: Final answer
    x = 37,390.93

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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.