Home / 27,479.98-37,922.38-15,543.07

Finding the Fourth Proportional to 27,479.98, 37,922.38 and 15,543.07

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Solution

The fourth proportional to 27,479.98, 37,922.38 and 15,543.07 is: 21,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.98 : 37,922.38 = 15,543.07 : x
  2. Step 2: Convert to fraction form
    27,479.98/37,922.38 = 15,543.07/x
  3. Step 3: Cross multiply
    27,479.98x = 37,922.38 × 15,543.07
  4. Step 4: Simplify right side
    27,479.98x = 589,430,206.91
  5. Step 5: Solve for x
    x = 589,430,206.91/27,479.98
  6. Step 6: Final answer
    x = 21,449.44

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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.