Home / 23,110.40-31,892.32-13,038.84

Finding the Fourth Proportional to 23,110.40, 31,892.32 and 13,038.84

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Solution

The fourth proportional to 23,110.40, 31,892.32 and 13,038.84 is: 17,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.40 : 31,892.32 = 13,038.84 : x
  2. Step 2: Convert to fraction form
    23,110.40/31,892.32 = 13,038.84/x
  3. Step 3: Cross multiply
    23,110.40x = 31,892.32 × 13,038.84
  4. Step 4: Simplify right side
    23,110.40x = 415,838,857.71
  5. Step 5: Solve for x
    x = 415,838,857.71/23,110.40
  6. Step 6: Final answer
    x = 17,993.58

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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.