Home / 28,526.18-42,756.34-15,350.86

Finding the Fourth Proportional to 28,526.18, 42,756.34 and 15,350.86

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Solution

The fourth proportional to 28,526.18, 42,756.34 and 15,350.86 is: 23,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.18 : 42,756.34 = 15,350.86 : x
  2. Step 2: Convert to fraction form
    28,526.18/42,756.34 = 15,350.86/x
  3. Step 3: Cross multiply
    28,526.18x = 42,756.34 × 15,350.86
  4. Step 4: Simplify right side
    28,526.18x = 656,346,589.45
  5. Step 5: Solve for x
    x = 656,346,589.45/28,526.18
  6. Step 6: Final answer
    x = 23,008.57

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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.