Home / 28,945.17-43,417.28-9,223.46

Finding the Fourth Proportional to 28,945.17, 43,417.28 and 9,223.46

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Solution

The fourth proportional to 28,945.17, 43,417.28 and 9,223.46 is: 13,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.17 : 43,417.28 = 9,223.46 : x
  2. Step 2: Convert to fraction form
    28,945.17/43,417.28 = 9,223.46/x
  3. Step 3: Cross multiply
    28,945.17x = 43,417.28 × 9,223.46
  4. Step 4: Simplify right side
    28,945.17x = 400,457,282.19
  5. Step 5: Solve for x
    x = 400,457,282.19/28,945.17
  6. Step 6: Final answer
    x = 13,835.03

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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.