Home / 19,257.78-26,492.49-15,713.22

Finding the Fourth Proportional to 19,257.78, 26,492.49 and 15,713.22

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Solution

The fourth proportional to 19,257.78, 26,492.49 and 15,713.22 is: 21,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.78 : 26,492.49 = 15,713.22 : x
  2. Step 2: Convert to fraction form
    19,257.78/26,492.49 = 15,713.22/x
  3. Step 3: Cross multiply
    19,257.78x = 26,492.49 × 15,713.22
  4. Step 4: Simplify right side
    19,257.78x = 416,282,323.72
  5. Step 5: Solve for x
    x = 416,282,323.72/19,257.78
  6. Step 6: Final answer
    x = 21,616.32

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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.