Home / 28,345.17-42,516.33-10,574.43

Finding the Fourth Proportional to 28,345.17, 42,516.33 and 10,574.43

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Solution

The fourth proportional to 28,345.17, 42,516.33 and 10,574.43 is: 15,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.17 : 42,516.33 = 10,574.43 : x
  2. Step 2: Convert to fraction form
    28,345.17/42,516.33 = 10,574.43/x
  3. Step 3: Cross multiply
    28,345.17x = 42,516.33 × 10,574.43
  4. Step 4: Simplify right side
    28,345.17x = 449,585,955.44
  5. Step 5: Solve for x
    x = 449,585,955.44/28,345.17
  6. Step 6: Final answer
    x = 15,861.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.