Home / 27,343.74-37,733.88-15,406.80

Finding the Fourth Proportional to 27,343.74, 37,733.88 and 15,406.80

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Solution

The fourth proportional to 27,343.74, 37,733.88 and 15,406.80 is: 21,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.74 : 37,733.88 = 15,406.80 : x
  2. Step 2: Convert to fraction form
    27,343.74/37,733.88 = 15,406.80/x
  3. Step 3: Cross multiply
    27,343.74x = 37,733.88 × 15,406.80
  4. Step 4: Simplify right side
    27,343.74x = 581,358,342.38
  5. Step 5: Solve for x
    x = 581,358,342.38/27,343.74
  6. Step 6: Final answer
    x = 21,261.11

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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.