Home / 23,279.61-32,126.66-12,669.64

Finding the Fourth Proportional to 23,279.61, 32,126.66 and 12,669.64

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Solution

The fourth proportional to 23,279.61, 32,126.66 and 12,669.64 is: 17,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.61 : 32,126.66 = 12,669.64 : x
  2. Step 2: Convert to fraction form
    23,279.61/32,126.66 = 12,669.64/x
  3. Step 3: Cross multiply
    23,279.61x = 32,126.66 × 12,669.64
  4. Step 4: Simplify right side
    23,279.61x = 407,033,216.60
  5. Step 5: Solve for x
    x = 407,033,216.60/23,279.61
  6. Step 6: Final answer
    x = 17,484.54

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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.