Home / 19,921.02-27,460.80-16,378.08

Finding the Fourth Proportional to 19,921.02, 27,460.80 and 16,378.08

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Solution

The fourth proportional to 19,921.02, 27,460.80 and 16,378.08 is: 22,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.02 : 27,460.80 = 16,378.08 : x
  2. Step 2: Convert to fraction form
    19,921.02/27,460.80 = 16,378.08/x
  3. Step 3: Cross multiply
    19,921.02x = 27,460.80 × 16,378.08
  4. Step 4: Simplify right side
    19,921.02x = 449,755,179.26
  5. Step 5: Solve for x
    x = 449,755,179.26/19,921.02
  6. Step 6: Final answer
    x = 22,576.92

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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.