Home / 28,767.38-39,689.47-16,822.26

Finding the Fourth Proportional to 28,767.38, 39,689.47 and 16,822.26

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Solution

The fourth proportional to 28,767.38, 39,689.47 and 16,822.26 is: 23,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.38 : 39,689.47 = 16,822.26 : x
  2. Step 2: Convert to fraction form
    28,767.38/39,689.47 = 16,822.26/x
  3. Step 3: Cross multiply
    28,767.38x = 39,689.47 × 16,822.26
  4. Step 4: Simplify right side
    28,767.38x = 667,666,583.60
  5. Step 5: Solve for x
    x = 667,666,583.60/28,767.38
  6. Step 6: Final answer
    x = 23,209.16

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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.