Home / 43,266.83-64,900.76-15,187.69

Finding the Fourth Proportional to 43,266.83, 64,900.76 and 15,187.69

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Solution

The fourth proportional to 43,266.83, 64,900.76 and 15,187.69 is: 22,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.83 : 64,900.76 = 15,187.69 : x
  2. Step 2: Convert to fraction form
    43,266.83/64,900.76 = 15,187.69/x
  3. Step 3: Cross multiply
    43,266.83x = 64,900.76 × 15,187.69
  4. Step 4: Simplify right side
    43,266.83x = 985,692,655.03
  5. Step 5: Solve for x
    x = 985,692,655.03/43,266.83
  6. Step 6: Final answer
    x = 22,781.71

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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.