Home / 25,271.58-34,875.18-13,940.87

Finding the Fourth Proportional to 25,271.58, 34,875.18 and 13,940.87

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Solution

The fourth proportional to 25,271.58, 34,875.18 and 13,940.87 is: 19,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.58 : 34,875.18 = 13,940.87 : x
  2. Step 2: Convert to fraction form
    25,271.58/34,875.18 = 13,940.87/x
  3. Step 3: Cross multiply
    25,271.58x = 34,875.18 × 13,940.87
  4. Step 4: Simplify right side
    25,271.58x = 486,190,350.61
  5. Step 5: Solve for x
    x = 486,190,350.61/25,271.58
  6. Step 6: Final answer
    x = 19,238.62

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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.