Home / 23,102.46-31,881.85-13,028.94

Finding the Fourth Proportional to 23,102.46, 31,881.85 and 13,028.94

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Solution

The fourth proportional to 23,102.46, 31,881.85 and 13,028.94 is: 17,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.46 : 31,881.85 = 13,028.94 : x
  2. Step 2: Convert to fraction form
    23,102.46/31,881.85 = 13,028.94/x
  3. Step 3: Cross multiply
    23,102.46x = 31,881.85 × 13,028.94
  4. Step 4: Simplify right side
    23,102.46x = 415,386,678.17
  5. Step 5: Solve for x
    x = 415,386,678.17/23,102.46
  6. Step 6: Final answer
    x = 17,980.19

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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.