Home / 26,918.19-37,143.42-14,979.89

Finding the Fourth Proportional to 26,918.19, 37,143.42 and 14,979.89

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Solution

The fourth proportional to 26,918.19, 37,143.42 and 14,979.89 is: 20,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.19 : 37,143.42 = 14,979.89 : x
  2. Step 2: Convert to fraction form
    26,918.19/37,143.42 = 14,979.89/x
  3. Step 3: Cross multiply
    26,918.19x = 37,143.42 × 14,979.89
  4. Step 4: Simplify right side
    26,918.19x = 556,404,345.82
  5. Step 5: Solve for x
    x = 556,404,345.82/26,918.19
  6. Step 6: Final answer
    x = 20,670.20

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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.