Home / 27,753.84-38,299.52-15,178.32

Finding the Fourth Proportional to 27,753.84, 38,299.52 and 15,178.32

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Solution

The fourth proportional to 27,753.84, 38,299.52 and 15,178.32 is: 20,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.84 : 38,299.52 = 15,178.32 : x
  2. Step 2: Convert to fraction form
    27,753.84/38,299.52 = 15,178.32/x
  3. Step 3: Cross multiply
    27,753.84x = 38,299.52 × 15,178.32
  4. Step 4: Simplify right side
    27,753.84x = 581,322,294.51
  5. Step 5: Solve for x
    x = 581,322,294.51/27,753.84
  6. Step 6: Final answer
    x = 20,945.65

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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.