Home / 27,290.80-40,863.28-17,376.40

Finding the Fourth Proportional to 27,290.80, 40,863.28 and 17,376.40

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Solution

The fourth proportional to 27,290.80, 40,863.28 and 17,376.40 is: 26,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.80 : 40,863.28 = 17,376.40 : x
  2. Step 2: Convert to fraction form
    27,290.80/40,863.28 = 17,376.40/x
  3. Step 3: Cross multiply
    27,290.80x = 40,863.28 × 17,376.40
  4. Step 4: Simplify right side
    27,290.80x = 710,056,698.59
  5. Step 5: Solve for x
    x = 710,056,698.59/27,290.80
  6. Step 6: Final answer
    x = 26,018.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.