Home / 27,656.32-38,165.65-15,081.07

Finding the Fourth Proportional to 27,656.32, 38,165.65 and 15,081.07

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Solution

The fourth proportional to 27,656.32, 38,165.65 and 15,081.07 is: 20,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.32 : 38,165.65 = 15,081.07 : x
  2. Step 2: Convert to fraction form
    27,656.32/38,165.65 = 15,081.07/x
  3. Step 3: Cross multiply
    27,656.32x = 38,165.65 × 15,081.07
  4. Step 4: Simplify right side
    27,656.32x = 575,578,839.25
  5. Step 5: Solve for x
    x = 575,578,839.25/27,656.32
  6. Step 6: Final answer
    x = 20,811.84

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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.