Home / 28,945.46-43,417.38-9,225.20

Finding the Fourth Proportional to 28,945.46, 43,417.38 and 9,225.20

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Solution

The fourth proportional to 28,945.46, 43,417.38 and 9,225.20 is: 13,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.46 : 43,417.38 = 9,225.20 : x
  2. Step 2: Convert to fraction form
    28,945.46/43,417.38 = 9,225.20/x
  3. Step 3: Cross multiply
    28,945.46x = 43,417.38 × 9,225.20
  4. Step 4: Simplify right side
    28,945.46x = 400,534,013.98
  5. Step 5: Solve for x
    x = 400,534,013.98/28,945.46
  6. Step 6: Final answer
    x = 13,837.54

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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.