Home / 27,367.58-37,767.99-15,430.20

Finding the Fourth Proportional to 27,367.58, 37,767.99 and 15,430.20

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Solution

The fourth proportional to 27,367.58, 37,767.99 and 15,430.20 is: 21,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,367.58 : 37,767.99 = 15,430.20 : x
  2. Step 2: Convert to fraction form
    27,367.58/37,767.99 = 15,430.20/x
  3. Step 3: Cross multiply
    27,367.58x = 37,767.99 × 15,430.20
  4. Step 4: Simplify right side
    27,367.58x = 582,767,639.30
  5. Step 5: Solve for x
    x = 582,767,639.30/27,367.58
  6. Step 6: Final answer
    x = 21,294.09

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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.