Home / 25,321.68-34,943.76-14,143.68

Finding the Fourth Proportional to 25,321.68, 34,943.76 and 14,143.68

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Solution

The fourth proportional to 25,321.68, 34,943.76 and 14,143.68 is: 19,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.68 : 34,943.76 = 14,143.68 : x
  2. Step 2: Convert to fraction form
    25,321.68/34,943.76 = 14,143.68/x
  3. Step 3: Cross multiply
    25,321.68x = 34,943.76 × 14,143.68
  4. Step 4: Simplify right side
    25,321.68x = 494,233,359.44
  5. Step 5: Solve for x
    x = 494,233,359.44/25,321.68
  6. Step 6: Final answer
    x = 19,518.19

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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.