Home / 28,499.56-39,328.14-15,924.04

Finding the Fourth Proportional to 28,499.56, 39,328.14 and 15,924.04

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Solution

The fourth proportional to 28,499.56, 39,328.14 and 15,924.04 is: 21,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.56 : 39,328.14 = 15,924.04 : x
  2. Step 2: Convert to fraction form
    28,499.56/39,328.14 = 15,924.04/x
  3. Step 3: Cross multiply
    28,499.56x = 39,328.14 × 15,924.04
  4. Step 4: Simplify right side
    28,499.56x = 626,262,874.49
  5. Step 5: Solve for x
    x = 626,262,874.49/28,499.56
  6. Step 6: Final answer
    x = 21,974.48

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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.