Home / 28,308.93-39,066.82-15,562.65

Finding the Fourth Proportional to 28,308.93, 39,066.82 and 15,562.65

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Solution

The fourth proportional to 28,308.93, 39,066.82 and 15,562.65 is: 21,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.93 : 39,066.82 = 15,562.65 : x
  2. Step 2: Convert to fraction form
    28,308.93/39,066.82 = 15,562.65/x
  3. Step 3: Cross multiply
    28,308.93x = 39,066.82 × 15,562.65
  4. Step 4: Simplify right side
    28,308.93x = 607,983,168.46
  5. Step 5: Solve for x
    x = 607,983,168.46/28,308.93
  6. Step 6: Final answer
    x = 21,476.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.