Home / 28,741.28-43,109.33-10,018.13

Finding the Fourth Proportional to 28,741.28, 43,109.33 and 10,018.13

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Solution

The fourth proportional to 28,741.28, 43,109.33 and 10,018.13 is: 15,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.28 : 43,109.33 = 10,018.13 : x
  2. Step 2: Convert to fraction form
    28,741.28/43,109.33 = 10,018.13/x
  3. Step 3: Cross multiply
    28,741.28x = 43,109.33 × 10,018.13
  4. Step 4: Simplify right side
    28,741.28x = 431,874,606.52
  5. Step 5: Solve for x
    x = 431,874,606.52/28,741.28
  6. Step 6: Final answer
    x = 15,026.29

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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.