Home / 28,770.48-39,708.78-17,446.17

Finding the Fourth Proportional to 28,770.48, 39,708.78 and 17,446.17

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Solution

The fourth proportional to 28,770.48, 39,708.78 and 17,446.17 is: 24,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.48 : 39,708.78 = 17,446.17 : x
  2. Step 2: Convert to fraction form
    28,770.48/39,708.78 = 17,446.17/x
  3. Step 3: Cross multiply
    28,770.48x = 39,708.78 × 17,446.17
  4. Step 4: Simplify right side
    28,770.48x = 692,766,126.37
  5. Step 5: Solve for x
    x = 692,766,126.37/28,770.48
  6. Step 6: Final answer
    x = 24,079.06

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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.