Home / 27,077.40-40,616.28-17,725.28

Finding the Fourth Proportional to 27,077.40, 40,616.28 and 17,725.28

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Solution

The fourth proportional to 27,077.40, 40,616.28 and 17,725.28 is: 26,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.40 : 40,616.28 = 17,725.28 : x
  2. Step 2: Convert to fraction form
    27,077.40/40,616.28 = 17,725.28/x
  3. Step 3: Cross multiply
    27,077.40x = 40,616.28 × 17,725.28
  4. Step 4: Simplify right side
    27,077.40x = 719,934,935.56
  5. Step 5: Solve for x
    x = 719,934,935.56/27,077.40
  6. Step 6: Final answer
    x = 26,588.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.