Home / 29,270.02-40,392.30-15,840.97

Finding the Fourth Proportional to 29,270.02, 40,392.30 and 15,840.97

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Solution

The fourth proportional to 29,270.02, 40,392.30 and 15,840.97 is: 21,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.02 : 40,392.30 = 15,840.97 : x
  2. Step 2: Convert to fraction form
    29,270.02/40,392.30 = 15,840.97/x
  3. Step 3: Cross multiply
    29,270.02x = 40,392.30 × 15,840.97
  4. Step 4: Simplify right side
    29,270.02x = 639,853,212.53
  5. Step 5: Solve for x
    x = 639,853,212.53/29,270.02
  6. Step 6: Final answer
    x = 21,860.36

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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.