Home / 29,268.02-40,389.95-15,839.42

Finding the Fourth Proportional to 29,268.02, 40,389.95 and 15,839.42

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Solution

The fourth proportional to 29,268.02, 40,389.95 and 15,839.42 is: 21,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.02 : 40,389.95 = 15,839.42 : x
  2. Step 2: Convert to fraction form
    29,268.02/40,389.95 = 15,839.42/x
  3. Step 3: Cross multiply
    29,268.02x = 40,389.95 × 15,839.42
  4. Step 4: Simplify right side
    29,268.02x = 639,753,219.48
  5. Step 5: Solve for x
    x = 639,753,219.48/29,268.02
  6. Step 6: Final answer
    x = 21,858.44

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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.