Home / 23,015.46-31,623.69-18,291.54

Finding the Fourth Proportional to 23,015.46, 31,623.69 and 18,291.54

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Solution

The fourth proportional to 23,015.46, 31,623.69 and 18,291.54 is: 25,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.46 : 31,623.69 = 18,291.54 : x
  2. Step 2: Convert to fraction form
    23,015.46/31,623.69 = 18,291.54/x
  3. Step 3: Cross multiply
    23,015.46x = 31,623.69 × 18,291.54
  4. Step 4: Simplify right side
    23,015.46x = 578,445,888.66
  5. Step 5: Solve for x
    x = 578,445,888.66/23,015.46
  6. Step 6: Final answer
    x = 25,132.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.