Home / 25,072.16-34,599.99-13,742.74

Finding the Fourth Proportional to 25,072.16, 34,599.99 and 13,742.74

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Solution

The fourth proportional to 25,072.16, 34,599.99 and 13,742.74 is: 18,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.16 : 34,599.99 = 13,742.74 : x
  2. Step 2: Convert to fraction form
    25,072.16/34,599.99 = 13,742.74/x
  3. Step 3: Cross multiply
    25,072.16x = 34,599.99 × 13,742.74
  4. Step 4: Simplify right side
    25,072.16x = 475,498,666.57
  5. Step 5: Solve for x
    x = 475,498,666.57/25,072.16
  6. Step 6: Final answer
    x = 18,965.21

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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.