Home / 23,324.80-34,987.20-21,283.60

Finding the Fourth Proportional to 23,324.80, 34,987.20 and 21,283.60

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Solution

The fourth proportional to 23,324.80, 34,987.20 and 21,283.60 is: 31,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,324.80 : 34,987.20 = 21,283.60 : x
  2. Step 2: Convert to fraction form
    23,324.80/34,987.20 = 21,283.60/x
  3. Step 3: Cross multiply
    23,324.80x = 34,987.20 × 21,283.60
  4. Step 4: Simplify right side
    23,324.80x = 744,653,569.92
  5. Step 5: Solve for x
    x = 744,653,569.92/23,324.80
  6. Step 6: Final answer
    x = 31,925.40

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1.5x scale

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.