Home / 27,360.35-37,756.77-15,423.69

Finding the Fourth Proportional to 27,360.35, 37,756.77 and 15,423.69

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Solution

The fourth proportional to 27,360.35, 37,756.77 and 15,423.69 is: 21,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.35 : 37,756.77 = 15,423.69 : x
  2. Step 2: Convert to fraction form
    27,360.35/37,756.77 = 15,423.69/x
  3. Step 3: Cross multiply
    27,360.35x = 37,756.77 × 15,423.69
  4. Step 4: Simplify right side
    27,360.35x = 582,348,857.47
  5. Step 5: Solve for x
    x = 582,348,857.47/27,360.35
  6. Step 6: Final answer
    x = 21,284.41

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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.