Home / 43,703.28-65,538.18-15,618.06

Finding the Fourth Proportional to 43,703.28, 65,538.18 and 15,618.06

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Solution

The fourth proportional to 43,703.28, 65,538.18 and 15,618.06 is: 23,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.28 : 65,538.18 = 15,618.06 : x
  2. Step 2: Convert to fraction form
    43,703.28/65,538.18 = 15,618.06/x
  3. Step 3: Cross multiply
    43,703.28x = 65,538.18 × 15,618.06
  4. Step 4: Simplify right side
    43,703.28x = 1,023,579,227.53
  5. Step 5: Solve for x
    x = 1,023,579,227.53/43,703.28
  6. Step 6: Final answer
    x = 23,421.11

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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.