Home / 29,283.02-40,410.54-15,854.39

Finding the Fourth Proportional to 29,283.02, 40,410.54 and 15,854.39

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Solution

The fourth proportional to 29,283.02, 40,410.54 and 15,854.39 is: 21,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.02 : 40,410.54 = 15,854.39 : x
  2. Step 2: Convert to fraction form
    29,283.02/40,410.54 = 15,854.39/x
  3. Step 3: Cross multiply
    29,283.02x = 40,410.54 × 15,854.39
  4. Step 4: Simplify right side
    29,283.02x = 640,684,259.22
  5. Step 5: Solve for x
    x = 640,684,259.22/29,283.02
  6. Step 6: Final answer
    x = 21,879.04

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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.