Home / 15,782.45-23,684.75-14,275.00

Finding the Fourth Proportional to 15,782.45, 23,684.75 and 14,275.00

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Solution

The fourth proportional to 15,782.45, 23,684.75 and 14,275.00 is: 21,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.45 : 23,684.75 = 14,275.00 : x
  2. Step 2: Convert to fraction form
    15,782.45/23,684.75 = 14,275.00/x
  3. Step 3: Cross multiply
    15,782.45x = 23,684.75 × 14,275.00
  4. Step 4: Simplify right side
    15,782.45x = 338,099,898.31
  5. Step 5: Solve for x
    x = 338,099,898.31/15,782.45
  6. Step 6: Final answer
    x = 21,422.53

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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.