Home / 28,767.18-43,154.01-9,040.44

Finding the Fourth Proportional to 28,767.18, 43,154.01 and 9,040.44

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Solution

The fourth proportional to 28,767.18, 43,154.01 and 9,040.44 is: 13,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.18 : 43,154.01 = 9,040.44 : x
  2. Step 2: Convert to fraction form
    28,767.18/43,154.01 = 9,040.44/x
  3. Step 3: Cross multiply
    28,767.18x = 43,154.01 × 9,040.44
  4. Step 4: Simplify right side
    28,767.18x = 390,131,238.16
  5. Step 5: Solve for x
    x = 390,131,238.16/28,767.18
  6. Step 6: Final answer
    x = 13,561.68

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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.