Home / 25,063.68-34,509.15-21,278.94

Finding the Fourth Proportional to 25,063.68, 34,509.15 and 21,278.94

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Solution

The fourth proportional to 25,063.68, 34,509.15 and 21,278.94 is: 29,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,063.68 : 34,509.15 = 21,278.94 : x
  2. Step 2: Convert to fraction form
    25,063.68/34,509.15 = 21,278.94/x
  3. Step 3: Cross multiply
    25,063.68x = 34,509.15 × 21,278.94
  4. Step 4: Simplify right side
    25,063.68x = 734,318,132.30
  5. Step 5: Solve for x
    x = 734,318,132.30/25,063.68
  6. Step 6: Final answer
    x = 29,298.10

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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.