Home / 28,946.31-39,945.04-16,026.16

Finding the Fourth Proportional to 28,946.31, 39,945.04 and 16,026.16

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Solution

The fourth proportional to 28,946.31, 39,945.04 and 16,026.16 is: 22,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.31 : 39,945.04 = 16,026.16 : x
  2. Step 2: Convert to fraction form
    28,946.31/39,945.04 = 16,026.16/x
  3. Step 3: Cross multiply
    28,946.31x = 39,945.04 × 16,026.16
  4. Step 4: Simplify right side
    28,946.31x = 640,165,442.59
  5. Step 5: Solve for x
    x = 640,165,442.59/28,946.31
  6. Step 6: Final answer
    x = 22,115.62

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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.