Home / 27,402.58-37,815.48-15,465.88

Finding the Fourth Proportional to 27,402.58, 37,815.48 and 15,465.88

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Solution

The fourth proportional to 27,402.58, 37,815.48 and 15,465.88 is: 21,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.58 : 37,815.48 = 15,465.88 : x
  2. Step 2: Convert to fraction form
    27,402.58/37,815.48 = 15,465.88/x
  3. Step 3: Cross multiply
    27,402.58x = 37,815.48 × 15,465.88
  4. Step 4: Simplify right side
    27,402.58x = 584,849,675.82
  5. Step 5: Solve for x
    x = 584,849,675.82/27,402.58
  6. Step 6: Final answer
    x = 21,342.87

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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.