Home / 23,600.40-32,568.78-12,990.25

Finding the Fourth Proportional to 23,600.40, 32,568.78 and 12,990.25

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Solution

The fourth proportional to 23,600.40, 32,568.78 and 12,990.25 is: 17,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.40 : 32,568.78 = 12,990.25 : x
  2. Step 2: Convert to fraction form
    23,600.40/32,568.78 = 12,990.25/x
  3. Step 3: Cross multiply
    23,600.40x = 32,568.78 × 12,990.25
  4. Step 4: Simplify right side
    23,600.40x = 423,076,594.40
  5. Step 5: Solve for x
    x = 423,076,594.40/23,600.40
  6. Step 6: Final answer
    x = 17,926.67

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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.