Home / 25,427.22-38,080.70-12,916.24

Finding the Fourth Proportional to 25,427.22, 38,080.70 and 12,916.24

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Solution

The fourth proportional to 25,427.22, 38,080.70 and 12,916.24 is: 19,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.22 : 38,080.70 = 12,916.24 : x
  2. Step 2: Convert to fraction form
    25,427.22/38,080.70 = 12,916.24/x
  3. Step 3: Cross multiply
    25,427.22x = 38,080.70 × 12,916.24
  4. Step 4: Simplify right side
    25,427.22x = 491,859,460.57
  5. Step 5: Solve for x
    x = 491,859,460.57/25,427.22
  6. Step 6: Final answer
    x = 19,343.82

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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.