Home / 25,672.68-35,428.32-14,919.66

Finding the Fourth Proportional to 25,672.68, 35,428.32 and 14,919.66

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Solution

The fourth proportional to 25,672.68, 35,428.32 and 14,919.66 is: 20,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.68 : 35,428.32 = 14,919.66 : x
  2. Step 2: Convert to fraction form
    25,672.68/35,428.32 = 14,919.66/x
  3. Step 3: Cross multiply
    25,672.68x = 35,428.32 × 14,919.66
  4. Step 4: Simplify right side
    25,672.68x = 528,578,488.77
  5. Step 5: Solve for x
    x = 528,578,488.77/25,672.68
  6. Step 6: Final answer
    x = 20,589.14

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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.