Home / 26,390.25-36,418.59-14,290.86

Finding the Fourth Proportional to 26,390.25, 36,418.59 and 14,290.86

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Solution

The fourth proportional to 26,390.25, 36,418.59 and 14,290.86 is: 19,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.25 : 36,418.59 = 14,290.86 : x
  2. Step 2: Convert to fraction form
    26,390.25/36,418.59 = 14,290.86/x
  3. Step 3: Cross multiply
    26,390.25x = 36,418.59 × 14,290.86
  4. Step 4: Simplify right side
    26,390.25x = 520,452,971.09
  5. Step 5: Solve for x
    x = 520,452,971.09/26,390.25
  6. Step 6: Final answer
    x = 19,721.41

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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.