Home / 27,878.16-38,476.06-17,813.30

Finding the Fourth Proportional to 27,878.16, 38,476.06 and 17,813.30

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Solution

The fourth proportional to 27,878.16, 38,476.06 and 17,813.30 is: 24,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,878.16 : 38,476.06 = 17,813.30 : x
  2. Step 2: Convert to fraction form
    27,878.16/38,476.06 = 17,813.30/x
  3. Step 3: Cross multiply
    27,878.16x = 38,476.06 × 17,813.30
  4. Step 4: Simplify right side
    27,878.16x = 685,385,679.31
  5. Step 5: Solve for x
    x = 685,385,679.31/27,878.16
  6. Step 6: Final answer
    x = 24,585.04

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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.