Home / 25,719.95-38,540.02-17,837.84

Finding the Fourth Proportional to 25,719.95, 38,540.02 and 17,837.84

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Solution

The fourth proportional to 25,719.95, 38,540.02 and 17,837.84 is: 26,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.95 : 38,540.02 = 17,837.84 : x
  2. Step 2: Convert to fraction form
    25,719.95/38,540.02 = 17,837.84/x
  3. Step 3: Cross multiply
    25,719.95x = 38,540.02 × 17,837.84
  4. Step 4: Simplify right side
    25,719.95x = 687,470,710.36
  5. Step 5: Solve for x
    x = 687,470,710.36/25,719.95
  6. Step 6: Final answer
    x = 26,729.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.