Home / 19,876.32-27,422.48-14,211.68

Finding the Fourth Proportional to 19,876.32, 27,422.48 and 14,211.68

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Solution

The fourth proportional to 19,876.32, 27,422.48 and 14,211.68 is: 19,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.32 : 27,422.48 = 14,211.68 : x
  2. Step 2: Convert to fraction form
    19,876.32/27,422.48 = 14,211.68/x
  3. Step 3: Cross multiply
    19,876.32x = 27,422.48 × 14,211.68
  4. Step 4: Simplify right side
    19,876.32x = 389,719,510.57
  5. Step 5: Solve for x
    x = 389,719,510.57/19,876.32
  6. Step 6: Final answer
    x = 19,607.23

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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.