Home / 29,203.28-40,259.80-20,235.36

Finding the Fourth Proportional to 29,203.28, 40,259.80 and 20,235.36

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Solution

The fourth proportional to 29,203.28, 40,259.80 and 20,235.36 is: 27,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,203.28 : 40,259.80 = 20,235.36 : x
  2. Step 2: Convert to fraction form
    29,203.28/40,259.80 = 20,235.36/x
  3. Step 3: Cross multiply
    29,203.28x = 40,259.80 × 20,235.36
  4. Step 4: Simplify right side
    29,203.28x = 814,671,546.53
  5. Step 5: Solve for x
    x = 814,671,546.53/29,203.28
  6. Step 6: Final answer
    x = 27,896.58

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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.