Home / 29,272.70-43,877.56-12,640.57

Finding the Fourth Proportional to 29,272.70, 43,877.56 and 12,640.57

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Solution

The fourth proportional to 29,272.70, 43,877.56 and 12,640.57 is: 18,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.70 : 43,877.56 = 12,640.57 : x
  2. Step 2: Convert to fraction form
    29,272.70/43,877.56 = 12,640.57/x
  3. Step 3: Cross multiply
    29,272.70x = 43,877.56 × 12,640.57
  4. Step 4: Simplify right side
    29,272.70x = 554,637,368.61
  5. Step 5: Solve for x
    x = 554,637,368.61/29,272.70
  6. Step 6: Final answer
    x = 18,947.26

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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.