Home / 28,247.27-42,354.29-10,718.33

Finding the Fourth Proportional to 28,247.27, 42,354.29 and 10,718.33

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Solution

The fourth proportional to 28,247.27, 42,354.29 and 10,718.33 is: 16,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.27 : 42,354.29 = 10,718.33 : x
  2. Step 2: Convert to fraction form
    28,247.27/42,354.29 = 10,718.33/x
  3. Step 3: Cross multiply
    28,247.27x = 42,354.29 × 10,718.33
  4. Step 4: Simplify right side
    28,247.27x = 453,967,072.16
  5. Step 5: Solve for x
    x = 453,967,072.16/28,247.27
  6. Step 6: Final answer
    x = 16,071.19

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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.