Home / 28,595.79-39,462.47-15,849.25

Finding the Fourth Proportional to 28,595.79, 39,462.47 and 15,849.25

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Solution

The fourth proportional to 28,595.79, 39,462.47 and 15,849.25 is: 21,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.79 : 39,462.47 = 15,849.25 : x
  2. Step 2: Convert to fraction form
    28,595.79/39,462.47 = 15,849.25/x
  3. Step 3: Cross multiply
    28,595.79x = 39,462.47 × 15,849.25
  4. Step 4: Simplify right side
    28,595.79x = 625,450,552.65
  5. Step 5: Solve for x
    x = 625,450,552.65/28,595.79
  6. Step 6: Final answer
    x = 21,872.12

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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.