Home / 43,269.12-64,904.20-15,189.88

Finding the Fourth Proportional to 43,269.12, 64,904.20 and 15,189.88

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Solution

The fourth proportional to 43,269.12, 64,904.20 and 15,189.88 is: 22,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.12 : 64,904.20 = 15,189.88 : x
  2. Step 2: Convert to fraction form
    43,269.12/64,904.20 = 15,189.88/x
  3. Step 3: Cross multiply
    43,269.12x = 64,904.20 × 15,189.88
  4. Step 4: Simplify right side
    43,269.12x = 985,887,009.50
  5. Step 5: Solve for x
    x = 985,887,009.50/43,269.12
  6. Step 6: Final answer
    x = 22,785.00

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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.