Home / 28,401.04-39,189.85-17,068.87

Finding the Fourth Proportional to 28,401.04, 39,189.85 and 17,068.87

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Solution

The fourth proportional to 28,401.04, 39,189.85 and 17,068.87 is: 23,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.04 : 39,189.85 = 17,068.87 : x
  2. Step 2: Convert to fraction form
    28,401.04/39,189.85 = 17,068.87/x
  3. Step 3: Cross multiply
    28,401.04x = 39,189.85 × 17,068.87
  4. Step 4: Simplify right side
    28,401.04x = 668,926,454.97
  5. Step 5: Solve for x
    x = 668,926,454.97/28,401.04
  6. Step 6: Final answer
    x = 23,552.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.