Home / 26,940.45-40,368.76-10,291.40

Finding the Fourth Proportional to 26,940.45, 40,368.76 and 10,291.40

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Solution

The fourth proportional to 26,940.45, 40,368.76 and 10,291.40 is: 15,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.45 : 40,368.76 = 10,291.40 : x
  2. Step 2: Convert to fraction form
    26,940.45/40,368.76 = 10,291.40/x
  3. Step 3: Cross multiply
    26,940.45x = 40,368.76 × 10,291.40
  4. Step 4: Simplify right side
    26,940.45x = 415,451,056.66
  5. Step 5: Solve for x
    x = 415,451,056.66/26,940.45
  6. Step 6: Final answer
    x = 15,421.09

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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.