Home / 27,808.61-38,376.83-15,233.36

Finding the Fourth Proportional to 27,808.61, 38,376.83 and 15,233.36

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Solution

The fourth proportional to 27,808.61, 38,376.83 and 15,233.36 is: 21,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.61 : 38,376.83 = 15,233.36 : x
  2. Step 2: Convert to fraction form
    27,808.61/38,376.83 = 15,233.36/x
  3. Step 3: Cross multiply
    27,808.61x = 38,376.83 × 15,233.36
  4. Step 4: Simplify right side
    27,808.61x = 584,607,913.25
  5. Step 5: Solve for x
    x = 584,607,913.25/27,808.61
  6. Step 6: Final answer
    x = 21,022.55

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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.