Home / 27,131.18-37,440.18-15,031.17

Finding the Fourth Proportional to 27,131.18, 37,440.18 and 15,031.17

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Solution

The fourth proportional to 27,131.18, 37,440.18 and 15,031.17 is: 20,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.18 : 37,440.18 = 15,031.17 : x
  2. Step 2: Convert to fraction form
    27,131.18/37,440.18 = 15,031.17/x
  3. Step 3: Cross multiply
    27,131.18x = 37,440.18 × 15,031.17
  4. Step 4: Simplify right side
    27,131.18x = 562,769,710.41
  5. Step 5: Solve for x
    x = 562,769,710.41/27,131.18
  6. Step 6: Final answer
    x = 20,742.55

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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.