Home / 28,995.64-40,033.17-22,269.20

Finding the Fourth Proportional to 28,995.64, 40,033.17 and 22,269.20

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Solution

The fourth proportional to 28,995.64, 40,033.17 and 22,269.20 is: 30,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.64 : 40,033.17 = 22,269.20 : x
  2. Step 2: Convert to fraction form
    28,995.64/40,033.17 = 22,269.20/x
  3. Step 3: Cross multiply
    28,995.64x = 40,033.17 × 22,269.20
  4. Step 4: Simplify right side
    28,995.64x = 891,506,469.20
  5. Step 5: Solve for x
    x = 891,506,469.20/28,995.64
  6. Step 6: Final answer
    x = 30,746.23

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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.