Home / 28,595.46-39,460.68-15,849.18

Finding the Fourth Proportional to 28,595.46, 39,460.68 and 15,849.18

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Solution

The fourth proportional to 28,595.46, 39,460.68 and 15,849.18 is: 21,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.46 : 39,460.68 = 15,849.18 : x
  2. Step 2: Convert to fraction form
    28,595.46/39,460.68 = 15,849.18/x
  3. Step 3: Cross multiply
    28,595.46x = 39,460.68 × 15,849.18
  4. Step 4: Simplify right side
    28,595.46x = 625,419,420.24
  5. Step 5: Solve for x
    x = 625,419,420.24/28,595.46
  6. Step 6: Final answer
    x = 21,871.28

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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.