Home / 19,427.32-26,818.38-14,949.40

Finding the Fourth Proportional to 19,427.32, 26,818.38 and 14,949.40

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Solution

The fourth proportional to 19,427.32, 26,818.38 and 14,949.40 is: 20,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.32 : 26,818.38 = 14,949.40 : x
  2. Step 2: Convert to fraction form
    19,427.32/26,818.38 = 14,949.40/x
  3. Step 3: Cross multiply
    19,427.32x = 26,818.38 × 14,949.40
  4. Step 4: Simplify right side
    19,427.32x = 400,918,689.97
  5. Step 5: Solve for x
    x = 400,918,689.97/19,427.32
  6. Step 6: Final answer
    x = 20,636.85

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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.