Home / 26,614.69-36,730.86-19,888.64

Finding the Fourth Proportional to 26,614.69, 36,730.86 and 19,888.64

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Solution

The fourth proportional to 26,614.69, 36,730.86 and 19,888.64 is: 27,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,614.69 : 36,730.86 = 19,888.64 : x
  2. Step 2: Convert to fraction form
    26,614.69/36,730.86 = 19,888.64/x
  3. Step 3: Cross multiply
    26,614.69x = 36,730.86 × 19,888.64
  4. Step 4: Simplify right side
    26,614.69x = 730,526,851.43
  5. Step 5: Solve for x
    x = 730,526,851.43/26,614.69
  6. Step 6: Final answer
    x = 27,448.26

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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.