Home / 23,032.80-31,784.88-12,961.24

Finding the Fourth Proportional to 23,032.80, 31,784.88 and 12,961.24

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Solution

The fourth proportional to 23,032.80, 31,784.88 and 12,961.24 is: 17,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.80 : 31,784.88 = 12,961.24 : x
  2. Step 2: Convert to fraction form
    23,032.80/31,784.88 = 12,961.24/x
  3. Step 3: Cross multiply
    23,032.80x = 31,784.88 × 12,961.24
  4. Step 4: Simplify right side
    23,032.80x = 411,971,378.59
  5. Step 5: Solve for x
    x = 411,971,378.59/23,032.80
  6. Step 6: Final answer
    x = 17,886.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.