Home / 25,718.28-35,488.18-14,388.42

Finding the Fourth Proportional to 25,718.28, 35,488.18 and 14,388.42

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Solution

The fourth proportional to 25,718.28, 35,488.18 and 14,388.42 is: 19,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.28 : 35,488.18 = 14,388.42 : x
  2. Step 2: Convert to fraction form
    25,718.28/35,488.18 = 14,388.42/x
  3. Step 3: Cross multiply
    25,718.28x = 35,488.18 × 14,388.42
  4. Step 4: Simplify right side
    25,718.28x = 510,618,838.88
  5. Step 5: Solve for x
    x = 510,618,838.88/25,718.28
  6. Step 6: Final answer
    x = 19,854.32

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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.