Home / 19,856.96-27,402.48-10,904.28

Finding the Fourth Proportional to 19,856.96, 27,402.48 and 10,904.28

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Solution

The fourth proportional to 19,856.96, 27,402.48 and 10,904.28 is: 15,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.96 : 27,402.48 = 10,904.28 : x
  2. Step 2: Convert to fraction form
    19,856.96/27,402.48 = 10,904.28/x
  3. Step 3: Cross multiply
    19,856.96x = 27,402.48 × 10,904.28
  4. Step 4: Simplify right side
    19,856.96x = 298,804,314.61
  5. Step 5: Solve for x
    x = 298,804,314.61/19,856.96
  6. Step 6: Final answer
    x = 15,047.84

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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.