Home / 25,990.19-38,985.17-10,184.06

Finding the Fourth Proportional to 25,990.19, 38,985.17 and 10,184.06

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Solution

The fourth proportional to 25,990.19, 38,985.17 and 10,184.06 is: 15,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.19 : 38,985.17 = 10,184.06 : x
  2. Step 2: Convert to fraction form
    25,990.19/38,985.17 = 10,184.06/x
  3. Step 3: Cross multiply
    25,990.19x = 38,985.17 × 10,184.06
  4. Step 4: Simplify right side
    25,990.19x = 397,027,064.54
  5. Step 5: Solve for x
    x = 397,027,064.54/25,990.19
  6. Step 6: Final answer
    x = 15,276.03

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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.