Home / 26,529.71-39,791.52-9,890.28

Finding the Fourth Proportional to 26,529.71, 39,791.52 and 9,890.28

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Solution

The fourth proportional to 26,529.71, 39,791.52 and 9,890.28 is: 14,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.71 : 39,791.52 = 9,890.28 : x
  2. Step 2: Convert to fraction form
    26,529.71/39,791.52 = 9,890.28/x
  3. Step 3: Cross multiply
    26,529.71x = 39,791.52 × 9,890.28
  4. Step 4: Simplify right side
    26,529.71x = 393,549,274.43
  5. Step 5: Solve for x
    x = 393,549,274.43/26,529.71
  6. Step 6: Final answer
    x = 14,834.29

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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.