Home / 40,395.36-55,758.18-27,643.74

Finding the Fourth Proportional to 40,395.36, 55,758.18 and 27,643.74

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Solution

The fourth proportional to 40,395.36, 55,758.18 and 27,643.74 is: 38,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.36 : 55,758.18 = 27,643.74 : x
  2. Step 2: Convert to fraction form
    40,395.36/55,758.18 = 27,643.74/x
  3. Step 3: Cross multiply
    40,395.36x = 55,758.18 × 27,643.74
  4. Step 4: Simplify right side
    40,395.36x = 1,541,364,630.79
  5. Step 5: Solve for x
    x = 1,541,364,630.79/40,395.36
  6. Step 6: Final answer
    x = 38,156.97

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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.