Home / 27,144.36-40,646.16-18,736.74

Finding the Fourth Proportional to 27,144.36, 40,646.16 and 18,736.74

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Solution

The fourth proportional to 27,144.36, 40,646.16 and 18,736.74 is: 28,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.36 : 40,646.16 = 18,736.74 : x
  2. Step 2: Convert to fraction form
    27,144.36/40,646.16 = 18,736.74/x
  3. Step 3: Cross multiply
    27,144.36x = 40,646.16 × 18,736.74
  4. Step 4: Simplify right side
    27,144.36x = 761,576,531.92
  5. Step 5: Solve for x
    x = 761,576,531.92/27,144.36
  6. Step 6: Final answer
    x = 28,056.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.