Home / 29,283.81-40,411.35-15,854.82

Finding the Fourth Proportional to 29,283.81, 40,411.35 and 15,854.82

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Solution

The fourth proportional to 29,283.81, 40,411.35 and 15,854.82 is: 21,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.81 : 40,411.35 = 15,854.82 : x
  2. Step 2: Convert to fraction form
    29,283.81/40,411.35 = 15,854.82/x
  3. Step 3: Cross multiply
    29,283.81x = 40,411.35 × 15,854.82
  4. Step 4: Simplify right side
    29,283.81x = 640,714,680.21
  5. Step 5: Solve for x
    x = 640,714,680.21/29,283.81
  6. Step 6: Final answer
    x = 21,879.48

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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.