Home / 27,606.96-38,097.84-15,670.32

Finding the Fourth Proportional to 27,606.96, 38,097.84 and 15,670.32

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Solution

The fourth proportional to 27,606.96, 38,097.84 and 15,670.32 is: 21,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.96 : 38,097.84 = 15,670.32 : x
  2. Step 2: Convert to fraction form
    27,606.96/38,097.84 = 15,670.32/x
  3. Step 3: Cross multiply
    27,606.96x = 38,097.84 × 15,670.32
  4. Step 4: Simplify right side
    27,606.96x = 597,005,344.11
  5. Step 5: Solve for x
    x = 597,005,344.11/27,606.96
  6. Step 6: Final answer
    x = 21,625.18

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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.