Home / 23,035.36-31,787.62-13,602.08

Finding the Fourth Proportional to 23,035.36, 31,787.62 and 13,602.08

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Solution

The fourth proportional to 23,035.36, 31,787.62 and 13,602.08 is: 18,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,035.36 : 31,787.62 = 13,602.08 : x
  2. Step 2: Convert to fraction form
    23,035.36/31,787.62 = 13,602.08/x
  3. Step 3: Cross multiply
    23,035.36x = 31,787.62 × 13,602.08
  4. Step 4: Simplify right side
    23,035.36x = 432,377,750.25
  5. Step 5: Solve for x
    x = 432,377,750.25/23,035.36
  6. Step 6: Final answer
    x = 18,770.18

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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.