Home / 29,283.02-40,410.59-15,854.28

Finding the Fourth Proportional to 29,283.02, 40,410.59 and 15,854.28

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Solution

The fourth proportional to 29,283.02, 40,410.59 and 15,854.28 is: 21,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.02 : 40,410.59 = 15,854.28 : x
  2. Step 2: Convert to fraction form
    29,283.02/40,410.59 = 15,854.28/x
  3. Step 3: Cross multiply
    29,283.02x = 40,410.59 × 15,854.28
  4. Step 4: Simplify right side
    29,283.02x = 640,680,729.55
  5. Step 5: Solve for x
    x = 640,680,729.55/29,283.02
  6. Step 6: Final answer
    x = 21,878.92

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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.