Home / 25,357.28-34,981.25-16,407.67

Finding the Fourth Proportional to 25,357.28, 34,981.25 and 16,407.67

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Solution

The fourth proportional to 25,357.28, 34,981.25 and 16,407.67 is: 22,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.28 : 34,981.25 = 16,407.67 : x
  2. Step 2: Convert to fraction form
    25,357.28/34,981.25 = 16,407.67/x
  3. Step 3: Cross multiply
    25,357.28x = 34,981.25 × 16,407.67
  4. Step 4: Simplify right side
    25,357.28x = 573,960,631.28
  5. Step 5: Solve for x
    x = 573,960,631.28/25,357.28
  6. Step 6: Final answer
    x = 22,634.95

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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.