Home / 23,085.92-31,856.80-13,652.64

Finding the Fourth Proportional to 23,085.92, 31,856.80 and 13,652.64

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Solution

The fourth proportional to 23,085.92, 31,856.80 and 13,652.64 is: 18,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.92 : 31,856.80 = 13,652.64 : x
  2. Step 2: Convert to fraction form
    23,085.92/31,856.80 = 13,652.64/x
  3. Step 3: Cross multiply
    23,085.92x = 31,856.80 × 13,652.64
  4. Step 4: Simplify right side
    23,085.92x = 434,929,421.95
  5. Step 5: Solve for x
    x = 434,929,421.95/23,085.92
  6. Step 6: Final answer
    x = 18,839.60

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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.