Home / 28,483.29-39,311.46-15,908.04

Finding the Fourth Proportional to 28,483.29, 39,311.46 and 15,908.04

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Solution

The fourth proportional to 28,483.29, 39,311.46 and 15,908.04 is: 21,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.29 : 39,311.46 = 15,908.04 : x
  2. Step 2: Convert to fraction form
    28,483.29/39,311.46 = 15,908.04/x
  3. Step 3: Cross multiply
    28,483.29x = 39,311.46 × 15,908.04
  4. Step 4: Simplify right side
    28,483.29x = 625,368,278.14
  5. Step 5: Solve for x
    x = 625,368,278.14/28,483.29
  6. Step 6: Final answer
    x = 21,955.62

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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.