Home / 23,005-31,746.90-13,070.92

Finding the Fourth Proportional to 23,005, 31,746.90 and 13,070.92

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Solution

The fourth proportional to 23,005, 31,746.90 and 13,070.92 is: 18,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005 : 31,746.90 = 13,070.92 : x
  2. Step 2: Convert to fraction form
    23,005/31,746.90 = 13,070.92/x
  3. Step 3: Cross multiply
    23,005x = 31,746.90 × 13,070.92
  4. Step 4: Simplify right side
    23,005x = 414,961,190.15
  5. Step 5: Solve for x
    x = 414,961,190.15/23,005
  6. Step 6: Final answer
    x = 18,037.87

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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.