Home / 27,587.28-41,531.60-18,877.04

Finding the Fourth Proportional to 27,587.28, 41,531.60 and 18,877.04

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Solution

The fourth proportional to 27,587.28, 41,531.60 and 18,877.04 is: 28,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.28 : 41,531.60 = 18,877.04 : x
  2. Step 2: Convert to fraction form
    27,587.28/41,531.60 = 18,877.04/x
  3. Step 3: Cross multiply
    27,587.28x = 41,531.60 × 18,877.04
  4. Step 4: Simplify right side
    27,587.28x = 783,993,674.46
  5. Step 5: Solve for x
    x = 783,993,674.46/27,587.28
  6. Step 6: Final answer
    x = 28,418.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.