Home / 19,279.44-26,605.08-10,781.58

Finding the Fourth Proportional to 19,279.44, 26,605.08 and 10,781.58

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Solution

The fourth proportional to 19,279.44, 26,605.08 and 10,781.58 is: 14,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.44 : 26,605.08 = 10,781.58 : x
  2. Step 2: Convert to fraction form
    19,279.44/26,605.08 = 10,781.58/x
  3. Step 3: Cross multiply
    19,279.44x = 26,605.08 × 10,781.58
  4. Step 4: Simplify right side
    19,279.44x = 286,844,798.43
  5. Step 5: Solve for x
    x = 286,844,798.43/19,279.44
  6. Step 6: Final answer
    x = 14,878.27

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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.