Home / 25,755.41-38,582.99-18,988.67

Finding the Fourth Proportional to 25,755.41, 38,582.99 and 18,988.67

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Solution

The fourth proportional to 25,755.41, 38,582.99 and 18,988.67 is: 28,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.41 : 38,582.99 = 18,988.67 : x
  2. Step 2: Convert to fraction form
    25,755.41/38,582.99 = 18,988.67/x
  3. Step 3: Cross multiply
    25,755.41x = 38,582.99 × 18,988.67
  4. Step 4: Simplify right side
    25,755.41x = 732,639,376.87
  5. Step 5: Solve for x
    x = 732,639,376.87/25,755.41
  6. Step 6: Final answer
    x = 28,446.04

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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.