Home / 28,777.60-43,166.40-9,062.20

Finding the Fourth Proportional to 28,777.60, 43,166.40 and 9,062.20

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Solution

The fourth proportional to 28,777.60, 43,166.40 and 9,062.20 is: 13,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.60 : 43,166.40 = 9,062.20 : x
  2. Step 2: Convert to fraction form
    28,777.60/43,166.40 = 9,062.20/x
  3. Step 3: Cross multiply
    28,777.60x = 43,166.40 × 9,062.20
  4. Step 4: Simplify right side
    28,777.60x = 391,182,550.08
  5. Step 5: Solve for x
    x = 391,182,550.08/28,777.60
  6. Step 6: Final answer
    x = 13,593.30

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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.