Home / 28,951.38-43,435.28-14,921.69

Finding the Fourth Proportional to 28,951.38, 43,435.28 and 14,921.69

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Solution

The fourth proportional to 28,951.38, 43,435.28 and 14,921.69 is: 22,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.38 : 43,435.28 = 14,921.69 : x
  2. Step 2: Convert to fraction form
    28,951.38/43,435.28 = 14,921.69/x
  3. Step 3: Cross multiply
    28,951.38x = 43,435.28 × 14,921.69
  4. Step 4: Simplify right side
    28,951.38x = 648,127,603.35
  5. Step 5: Solve for x
    x = 648,127,603.35/28,951.38
  6. Step 6: Final answer
    x = 22,386.76

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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.