Home / 39,727.29-54,832.40-27,479.93

Finding the Fourth Proportional to 39,727.29, 54,832.40 and 27,479.93

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Solution

The fourth proportional to 39,727.29, 54,832.40 and 27,479.93 is: 37,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.29 : 54,832.40 = 27,479.93 : x
  2. Step 2: Convert to fraction form
    39,727.29/54,832.40 = 27,479.93/x
  3. Step 3: Cross multiply
    39,727.29x = 54,832.40 × 27,479.93
  4. Step 4: Simplify right side
    39,727.29x = 1,506,790,102.17
  5. Step 5: Solve for x
    x = 1,506,790,102.17/39,727.29
  6. Step 6: Final answer
    x = 37,928.34

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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.