Home / 25,855.71-35,679.66-15,101.13

Finding the Fourth Proportional to 25,855.71, 35,679.66 and 15,101.13

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Solution

The fourth proportional to 25,855.71, 35,679.66 and 15,101.13 is: 20,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.71 : 35,679.66 = 15,101.13 : x
  2. Step 2: Convert to fraction form
    25,855.71/35,679.66 = 15,101.13/x
  3. Step 3: Cross multiply
    25,855.71x = 35,679.66 × 15,101.13
  4. Step 4: Simplify right side
    25,855.71x = 538,803,184.02
  5. Step 5: Solve for x
    x = 538,803,184.02/25,855.71
  6. Step 6: Final answer
    x = 20,838.85

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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.