Home / 27,653.04-38,161.44-15,077.88

Finding the Fourth Proportional to 27,653.04, 38,161.44 and 15,077.88

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Solution

The fourth proportional to 27,653.04, 38,161.44 and 15,077.88 is: 20,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.04 : 38,161.44 = 15,077.88 : x
  2. Step 2: Convert to fraction form
    27,653.04/38,161.44 = 15,077.88/x
  3. Step 3: Cross multiply
    27,653.04x = 38,161.44 × 15,077.88
  4. Step 4: Simplify right side
    27,653.04x = 575,393,612.95
  5. Step 5: Solve for x
    x = 575,393,612.95/27,653.04
  6. Step 6: Final answer
    x = 20,807.61

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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.