Home / 28,500.02-42,762.33-15,349.76

Finding the Fourth Proportional to 28,500.02, 42,762.33 and 15,349.76

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Solution

The fourth proportional to 28,500.02, 42,762.33 and 15,349.76 is: 23,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.02 : 42,762.33 = 15,349.76 : x
  2. Step 2: Convert to fraction form
    28,500.02/42,762.33 = 15,349.76/x
  3. Step 3: Cross multiply
    28,500.02x = 42,762.33 × 15,349.76
  4. Step 4: Simplify right side
    28,500.02x = 656,391,609.45
  5. Step 5: Solve for x
    x = 656,391,609.45/28,500.02
  6. Step 6: Final answer
    x = 23,031.27

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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.