Home / 28,504.11-42,718.98-15,341.04

Finding the Fourth Proportional to 28,504.11, 42,718.98 and 15,341.04

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Solution

The fourth proportional to 28,504.11, 42,718.98 and 15,341.04 is: 22,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.11 : 42,718.98 = 15,341.04 : x
  2. Step 2: Convert to fraction form
    28,504.11/42,718.98 = 15,341.04/x
  3. Step 3: Cross multiply
    28,504.11x = 42,718.98 × 15,341.04
  4. Step 4: Simplify right side
    28,504.11x = 655,353,580.94
  5. Step 5: Solve for x
    x = 655,353,580.94/28,504.11
  6. Step 6: Final answer
    x = 22,991.55

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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.