Home / 27,885.28-38,479.29-15,946.69

Finding the Fourth Proportional to 27,885.28, 38,479.29 and 15,946.69

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Solution

The fourth proportional to 27,885.28, 38,479.29 and 15,946.69 is: 22,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.28 : 38,479.29 = 15,946.69 : x
  2. Step 2: Convert to fraction form
    27,885.28/38,479.29 = 15,946.69/x
  3. Step 3: Cross multiply
    27,885.28x = 38,479.29 × 15,946.69
  4. Step 4: Simplify right side
    27,885.28x = 613,617,309.05
  5. Step 5: Solve for x
    x = 613,617,309.05/27,885.28
  6. Step 6: Final answer
    x = 22,005.06

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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.