Home / 26,078.14-35,987.79-14,141.45

Finding the Fourth Proportional to 26,078.14, 35,987.79 and 14,141.45

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Solution

The fourth proportional to 26,078.14, 35,987.79 and 14,141.45 is: 19,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.14 : 35,987.79 = 14,141.45 : x
  2. Step 2: Convert to fraction form
    26,078.14/35,987.79 = 14,141.45/x
  3. Step 3: Cross multiply
    26,078.14x = 35,987.79 × 14,141.45
  4. Step 4: Simplify right side
    26,078.14x = 508,919,675.90
  5. Step 5: Solve for x
    x = 508,919,675.90/26,078.14
  6. Step 6: Final answer
    x = 19,515.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.