Home / 23,068.80-31,817.52-19,887.60

Finding the Fourth Proportional to 23,068.80, 31,817.52 and 19,887.60

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Solution

The fourth proportional to 23,068.80, 31,817.52 and 19,887.60 is: 27,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.80 : 31,817.52 = 19,887.60 : x
  2. Step 2: Convert to fraction form
    23,068.80/31,817.52 = 19,887.60/x
  3. Step 3: Cross multiply
    23,068.80x = 31,817.52 × 19,887.60
  4. Step 4: Simplify right side
    23,068.80x = 632,774,110.75
  5. Step 5: Solve for x
    x = 632,774,110.75/23,068.80
  6. Step 6: Final answer
    x = 27,429.87

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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.