Home / 25,981.46-39,034.61-16,639.63

Finding the Fourth Proportional to 25,981.46, 39,034.61 and 16,639.63

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Solution

The fourth proportional to 25,981.46, 39,034.61 and 16,639.63 is: 24,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.46 : 39,034.61 = 16,639.63 : x
  2. Step 2: Convert to fraction form
    25,981.46/39,034.61 = 16,639.63/x
  3. Step 3: Cross multiply
    25,981.46x = 39,034.61 × 16,639.63
  4. Step 4: Simplify right side
    25,981.46x = 649,521,349.21
  5. Step 5: Solve for x
    x = 649,521,349.21/25,981.46
  6. Step 6: Final answer
    x = 24,999.42

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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.