Home / 26,781.80-40,137.71-14,935.10

Finding the Fourth Proportional to 26,781.80, 40,137.71 and 14,935.10

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Solution

The fourth proportional to 26,781.80, 40,137.71 and 14,935.10 is: 22,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.80 : 40,137.71 = 14,935.10 : x
  2. Step 2: Convert to fraction form
    26,781.80/40,137.71 = 14,935.10/x
  3. Step 3: Cross multiply
    26,781.80x = 40,137.71 × 14,935.10
  4. Step 4: Simplify right side
    26,781.80x = 599,460,437.26
  5. Step 5: Solve for x
    x = 599,460,437.26/26,781.80
  6. Step 6: Final answer
    x = 22,383.13

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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.