Home / 26,911.40-40,367.06-9,143.91

Finding the Fourth Proportional to 26,911.40, 40,367.06 and 9,143.91

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Solution

The fourth proportional to 26,911.40, 40,367.06 and 9,143.91 is: 13,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.40 : 40,367.06 = 9,143.91 : x
  2. Step 2: Convert to fraction form
    26,911.40/40,367.06 = 9,143.91/x
  3. Step 3: Cross multiply
    26,911.40x = 40,367.06 × 9,143.91
  4. Step 4: Simplify right side
    26,911.40x = 369,112,693.63
  5. Step 5: Solve for x
    x = 369,112,693.63/26,911.40
  6. Step 6: Final answer
    x = 13,715.85

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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.