Home / 23,078.77-31,848.32-13,008.20

Finding the Fourth Proportional to 23,078.77, 31,848.32 and 13,008.20

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Solution

The fourth proportional to 23,078.77, 31,848.32 and 13,008.20 is: 17,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.77 : 31,848.32 = 13,008.20 : x
  2. Step 2: Convert to fraction form
    23,078.77/31,848.32 = 13,008.20/x
  3. Step 3: Cross multiply
    23,078.77x = 31,848.32 × 13,008.20
  4. Step 4: Simplify right side
    23,078.77x = 414,289,251.18
  5. Step 5: Solve for x
    x = 414,289,251.18/23,078.77
  6. Step 6: Final answer
    x = 17,951.10

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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.