Home / 28,932.18-43,398.27-9,210.75

Finding the Fourth Proportional to 28,932.18, 43,398.27 and 9,210.75

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Solution

The fourth proportional to 28,932.18, 43,398.27 and 9,210.75 is: 13,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.18 : 43,398.27 = 9,210.75 : x
  2. Step 2: Convert to fraction form
    28,932.18/43,398.27 = 9,210.75/x
  3. Step 3: Cross multiply
    28,932.18x = 43,398.27 × 9,210.75
  4. Step 4: Simplify right side
    28,932.18x = 399,730,615.40
  5. Step 5: Solve for x
    x = 399,730,615.40/28,932.18
  6. Step 6: Final answer
    x = 13,816.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.