Home / 22,877.68-31,570.95-12,805.96

Finding the Fourth Proportional to 22,877.68, 31,570.95 and 12,805.96

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Solution

The fourth proportional to 22,877.68, 31,570.95 and 12,805.96 is: 17,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,877.68 : 31,570.95 = 12,805.96 : x
  2. Step 2: Convert to fraction form
    22,877.68/31,570.95 = 12,805.96/x
  3. Step 3: Cross multiply
    22,877.68x = 31,570.95 × 12,805.96
  4. Step 4: Simplify right side
    22,877.68x = 404,296,322.86
  5. Step 5: Solve for x
    x = 404,296,322.86/22,877.68
  6. Step 6: Final answer
    x = 17,672.09

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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.