Home / 25,757.41-38,585.98-18,990.67

Finding the Fourth Proportional to 25,757.41, 38,585.98 and 18,990.67

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Solution

The fourth proportional to 25,757.41, 38,585.98 and 18,990.67 is: 28,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757.41 : 38,585.98 = 18,990.67 : x
  2. Step 2: Convert to fraction form
    25,757.41/38,585.98 = 18,990.67/x
  3. Step 3: Cross multiply
    25,757.41x = 38,585.98 × 18,990.67
  4. Step 4: Simplify right side
    25,757.41x = 732,773,612.81
  5. Step 5: Solve for x
    x = 732,773,612.81/25,757.41
  6. Step 6: Final answer
    x = 28,449.04

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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.