Home / 28,966.04-39,976.50-17,642.18

Finding the Fourth Proportional to 28,966.04, 39,976.50 and 17,642.18

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Solution

The fourth proportional to 28,966.04, 39,976.50 and 17,642.18 is: 24,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.04 : 39,976.50 = 17,642.18 : x
  2. Step 2: Convert to fraction form
    28,966.04/39,976.50 = 17,642.18/x
  3. Step 3: Cross multiply
    28,966.04x = 39,976.50 × 17,642.18
  4. Step 4: Simplify right side
    28,966.04x = 705,272,608.77
  5. Step 5: Solve for x
    x = 705,272,608.77/28,966.04
  6. Step 6: Final answer
    x = 24,348.26

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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.