Home / 25,639.92-38,406.04-16,275.18

Finding the Fourth Proportional to 25,639.92, 38,406.04 and 16,275.18

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Solution

The fourth proportional to 25,639.92, 38,406.04 and 16,275.18 is: 24,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.92 : 38,406.04 = 16,275.18 : x
  2. Step 2: Convert to fraction form
    25,639.92/38,406.04 = 16,275.18/x
  3. Step 3: Cross multiply
    25,639.92x = 38,406.04 × 16,275.18
  4. Step 4: Simplify right side
    25,639.92x = 625,065,214.09
  5. Step 5: Solve for x
    x = 625,065,214.09/25,639.92
  6. Step 6: Final answer
    x = 24,378.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.