Home / 23,645.26-32,630.29-12,890.10

Finding the Fourth Proportional to 23,645.26, 32,630.29 and 12,890.10

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Solution

The fourth proportional to 23,645.26, 32,630.29 and 12,890.10 is: 17,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,645.26 : 32,630.29 = 12,890.10 : x
  2. Step 2: Convert to fraction form
    23,645.26/32,630.29 = 12,890.10/x
  3. Step 3: Cross multiply
    23,645.26x = 32,630.29 × 12,890.10
  4. Step 4: Simplify right side
    23,645.26x = 420,607,701.13
  5. Step 5: Solve for x
    x = 420,607,701.13/23,645.26
  6. Step 6: Final answer
    x = 17,788.25

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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.