Home / 23,217.60-34,816.32-8,421.60

Finding the Fourth Proportional to 23,217.60, 34,816.32 and 8,421.60

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Solution

The fourth proportional to 23,217.60, 34,816.32 and 8,421.60 is: 12,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.60 : 34,816.32 = 8,421.60 : x
  2. Step 2: Convert to fraction form
    23,217.60/34,816.32 = 8,421.60/x
  3. Step 3: Cross multiply
    23,217.60x = 34,816.32 × 8,421.60
  4. Step 4: Simplify right side
    23,217.60x = 293,209,120.51
  5. Step 5: Solve for x
    x = 293,209,120.51/23,217.60
  6. Step 6: Final answer
    x = 12,628.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.