Home / 26,330.60-39,487.80-7,612.40

Finding the Fourth Proportional to 26,330.60, 39,487.80 and 7,612.40

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Solution

The fourth proportional to 26,330.60, 39,487.80 and 7,612.40 is: 11,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.60 : 39,487.80 = 7,612.40 : x
  2. Step 2: Convert to fraction form
    26,330.60/39,487.80 = 7,612.40/x
  3. Step 3: Cross multiply
    26,330.60x = 39,487.80 × 7,612.40
  4. Step 4: Simplify right side
    26,330.60x = 300,596,928.72
  5. Step 5: Solve for x
    x = 300,596,928.72/26,330.60
  6. Step 6: Final answer
    x = 11,416.26

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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.