Home / 28,740.60-43,160.10-15,618.60

Finding the Fourth Proportional to 28,740.60, 43,160.10 and 15,618.60

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Solution

The fourth proportional to 28,740.60, 43,160.10 and 15,618.60 is: 23,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.60 : 43,160.10 = 15,618.60 : x
  2. Step 2: Convert to fraction form
    28,740.60/43,160.10 = 15,618.60/x
  3. Step 3: Cross multiply
    28,740.60x = 43,160.10 × 15,618.60
  4. Step 4: Simplify right side
    28,740.60x = 674,100,337.86
  5. Step 5: Solve for x
    x = 674,100,337.86/28,740.60
  6. Step 6: Final answer
    x = 23,454.64

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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.