Home / 28,068.04-38,731.26-17,449.48

Finding the Fourth Proportional to 28,068.04, 38,731.26 and 17,449.48

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Solution

The fourth proportional to 28,068.04, 38,731.26 and 17,449.48 is: 24,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.04 : 38,731.26 = 17,449.48 : x
  2. Step 2: Convert to fraction form
    28,068.04/38,731.26 = 17,449.48/x
  3. Step 3: Cross multiply
    28,068.04x = 38,731.26 × 17,449.48
  4. Step 4: Simplify right side
    28,068.04x = 675,840,346.74
  5. Step 5: Solve for x
    x = 675,840,346.74/28,068.04
  6. Step 6: Final answer
    x = 24,078.64

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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.