Home / 25,718.54-35,493.35-14,389.11

Finding the Fourth Proportional to 25,718.54, 35,493.35 and 14,389.11

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Solution

The fourth proportional to 25,718.54, 35,493.35 and 14,389.11 is: 19,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.54 : 35,493.35 = 14,389.11 : x
  2. Step 2: Convert to fraction form
    25,718.54/35,493.35 = 14,389.11/x
  3. Step 3: Cross multiply
    25,718.54x = 35,493.35 × 14,389.11
  4. Step 4: Simplify right side
    25,718.54x = 510,717,645.47
  5. Step 5: Solve for x
    x = 510,717,645.47/25,718.54
  6. Step 6: Final answer
    x = 19,857.96

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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.