Home / 27,011.76-37,312.20-21,726.48

Finding the Fourth Proportional to 27,011.76, 37,312.20 and 21,726.48

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Solution

The fourth proportional to 27,011.76, 37,312.20 and 21,726.48 is: 30,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.76 : 37,312.20 = 21,726.48 : x
  2. Step 2: Convert to fraction form
    27,011.76/37,312.20 = 21,726.48/x
  3. Step 3: Cross multiply
    27,011.76x = 37,312.20 × 21,726.48
  4. Step 4: Simplify right side
    27,011.76x = 810,662,767.06
  5. Step 5: Solve for x
    x = 810,662,767.06/27,011.76
  6. Step 6: Final answer
    x = 30,011.48

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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.