Home / 19,856.20-27,401.58-10,904.28

Finding the Fourth Proportional to 19,856.20, 27,401.58 and 10,904.28

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Solution

The fourth proportional to 19,856.20, 27,401.58 and 10,904.28 is: 15,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.20 : 27,401.58 = 10,904.28 : x
  2. Step 2: Convert to fraction form
    19,856.20/27,401.58 = 10,904.28/x
  3. Step 3: Cross multiply
    19,856.20x = 27,401.58 × 10,904.28
  4. Step 4: Simplify right side
    19,856.20x = 298,794,500.76
  5. Step 5: Solve for x
    x = 298,794,500.76/19,856.20
  6. Step 6: Final answer
    x = 15,047.92

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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.