Home / 27,206.21-37,557.86-21,142.14

Finding the Fourth Proportional to 27,206.21, 37,557.86 and 21,142.14

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Solution

The fourth proportional to 27,206.21, 37,557.86 and 21,142.14 is: 29,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.21 : 37,557.86 = 21,142.14 : x
  2. Step 2: Convert to fraction form
    27,206.21/37,557.86 = 21,142.14/x
  3. Step 3: Cross multiply
    27,206.21x = 37,557.86 × 21,142.14
  4. Step 4: Simplify right side
    27,206.21x = 794,053,428.51
  5. Step 5: Solve for x
    x = 794,053,428.51/27,206.21
  6. Step 6: Final answer
    x = 29,186.48

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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.