Home / 27,762.16-38,307.24-15,825.72

Finding the Fourth Proportional to 27,762.16, 38,307.24 and 15,825.72

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Solution

The fourth proportional to 27,762.16, 38,307.24 and 15,825.72 is: 21,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.16 : 38,307.24 = 15,825.72 : x
  2. Step 2: Convert to fraction form
    27,762.16/38,307.24 = 15,825.72/x
  3. Step 3: Cross multiply
    27,762.16x = 38,307.24 × 15,825.72
  4. Step 4: Simplify right side
    27,762.16x = 606,239,654.21
  5. Step 5: Solve for x
    x = 606,239,654.21/27,762.16
  6. Step 6: Final answer
    x = 21,836.91

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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.