Home / 16,439.75-22,689.69-15,893.00

Finding the Fourth Proportional to 16,439.75, 22,689.69 and 15,893.00

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Solution

The fourth proportional to 16,439.75, 22,689.69 and 15,893.00 is: 21,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.75 : 22,689.69 = 15,893.00 : x
  2. Step 2: Convert to fraction form
    16,439.75/22,689.69 = 15,893.00/x
  3. Step 3: Cross multiply
    16,439.75x = 22,689.69 × 15,893.00
  4. Step 4: Simplify right side
    16,439.75x = 360,607,129.72
  5. Step 5: Solve for x
    x = 360,607,129.72/16,439.75
  6. Step 6: Final answer
    x = 21,935.08

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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.