Home / 25,327.47-34,948.22-15,899.07

Finding the Fourth Proportional to 25,327.47, 34,948.22 and 15,899.07

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Solution

The fourth proportional to 25,327.47, 34,948.22 and 15,899.07 is: 21,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.47 : 34,948.22 = 15,899.07 : x
  2. Step 2: Convert to fraction form
    25,327.47/34,948.22 = 15,899.07/x
  3. Step 3: Cross multiply
    25,327.47x = 34,948.22 × 15,899.07
  4. Step 4: Simplify right side
    25,327.47x = 555,644,116.66
  5. Step 5: Solve for x
    x = 555,644,116.66/25,327.47
  6. Step 6: Final answer
    x = 21,938.40

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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.