Home / 22,882.29-31,577.41-12,810.68

Finding the Fourth Proportional to 22,882.29, 31,577.41 and 12,810.68

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Solution

The fourth proportional to 22,882.29, 31,577.41 and 12,810.68 is: 17,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,882.29 : 31,577.41 = 12,810.68 : x
  2. Step 2: Convert to fraction form
    22,882.29/31,577.41 = 12,810.68/x
  3. Step 3: Cross multiply
    22,882.29x = 31,577.41 × 12,810.68
  4. Step 4: Simplify right side
    22,882.29x = 404,528,094.74
  5. Step 5: Solve for x
    x = 404,528,094.74/22,882.29
  6. Step 6: Final answer
    x = 17,678.65

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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.