Home / 29,283.06-40,410.70-15,854.46

Finding the Fourth Proportional to 29,283.06, 40,410.70 and 15,854.46

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Solution

The fourth proportional to 29,283.06, 40,410.70 and 15,854.46 is: 21,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.06 : 40,410.70 = 15,854.46 : x
  2. Step 2: Convert to fraction form
    29,283.06/40,410.70 = 15,854.46/x
  3. Step 3: Cross multiply
    29,283.06x = 40,410.70 × 15,854.46
  4. Step 4: Simplify right side
    29,283.06x = 640,689,826.72
  5. Step 5: Solve for x
    x = 640,689,826.72/29,283.06
  6. Step 6: Final answer
    x = 21,879.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.