Home / 27,626.25-38,124.54-15,689.89

Finding the Fourth Proportional to 27,626.25, 38,124.54 and 15,689.89

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Solution

The fourth proportional to 27,626.25, 38,124.54 and 15,689.89 is: 21,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.25 : 38,124.54 = 15,689.89 : x
  2. Step 2: Convert to fraction form
    27,626.25/38,124.54 = 15,689.89/x
  3. Step 3: Cross multiply
    27,626.25x = 38,124.54 × 15,689.89
  4. Step 4: Simplify right side
    27,626.25x = 598,169,838.90
  5. Step 5: Solve for x
    x = 598,169,838.90/27,626.25
  6. Step 6: Final answer
    x = 21,652.23

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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.