Home / 26,853.88-40,285.14-9,328.72

Finding the Fourth Proportional to 26,853.88, 40,285.14 and 9,328.72

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Solution

The fourth proportional to 26,853.88, 40,285.14 and 9,328.72 is: 13,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.88 : 40,285.14 = 9,328.72 : x
  2. Step 2: Convert to fraction form
    26,853.88/40,285.14 = 9,328.72/x
  3. Step 3: Cross multiply
    26,853.88x = 40,285.14 × 9,328.72
  4. Step 4: Simplify right side
    26,853.88x = 375,808,791.22
  5. Step 5: Solve for x
    x = 375,808,791.22/26,853.88
  6. Step 6: Final answer
    x = 13,994.58

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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.