Home / 27,080.10-37,368-15,143.04

Finding the Fourth Proportional to 27,080.10, 37,368 and 15,143.04

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Solution

The fourth proportional to 27,080.10, 37,368 and 15,143.04 is: 20,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.10 : 37,368 = 15,143.04 : x
  2. Step 2: Convert to fraction form
    27,080.10/37,368 = 15,143.04/x
  3. Step 3: Cross multiply
    27,080.10x = 37,368 × 15,143.04
  4. Step 4: Simplify right side
    27,080.10x = 565,865,118.72
  5. Step 5: Solve for x
    x = 565,865,118.72/27,080.10
  6. Step 6: Final answer
    x = 20,895.98

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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.