Home / 27,762.26-38,315.64-15,665.24

Finding the Fourth Proportional to 27,762.26, 38,315.64 and 15,665.24

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Solution

The fourth proportional to 27,762.26, 38,315.64 and 15,665.24 is: 21,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.26 : 38,315.64 = 15,665.24 : x
  2. Step 2: Convert to fraction form
    27,762.26/38,315.64 = 15,665.24/x
  3. Step 3: Cross multiply
    27,762.26x = 38,315.64 × 15,665.24
  4. Step 4: Simplify right side
    27,762.26x = 600,223,696.35
  5. Step 5: Solve for x
    x = 600,223,696.35/27,762.26
  6. Step 6: Final answer
    x = 21,620.13

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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.