Home / 26,881.63-40,328.49-9,111.28

Finding the Fourth Proportional to 26,881.63, 40,328.49 and 9,111.28

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Solution

The fourth proportional to 26,881.63, 40,328.49 and 9,111.28 is: 13,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.63 : 40,328.49 = 9,111.28 : x
  2. Step 2: Convert to fraction form
    26,881.63/40,328.49 = 9,111.28/x
  3. Step 3: Cross multiply
    26,881.63x = 40,328.49 × 9,111.28
  4. Step 4: Simplify right side
    26,881.63x = 367,444,164.37
  5. Step 5: Solve for x
    x = 367,444,164.37/26,881.63
  6. Step 6: Final answer
    x = 13,668.97

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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.