Home / 25,099.71-34,638.49-13,769.23

Finding the Fourth Proportional to 25,099.71, 34,638.49 and 13,769.23

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Solution

The fourth proportional to 25,099.71, 34,638.49 and 13,769.23 is: 19,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.71 : 34,638.49 = 13,769.23 : x
  2. Step 2: Convert to fraction form
    25,099.71/34,638.49 = 13,769.23/x
  3. Step 3: Cross multiply
    25,099.71x = 34,638.49 × 13,769.23
  4. Step 4: Simplify right side
    25,099.71x = 476,945,335.66
  5. Step 5: Solve for x
    x = 476,945,335.66/25,099.71
  6. Step 6: Final answer
    x = 19,002.03

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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.