Home / 27,402.08-37,815-15,465.92

Finding the Fourth Proportional to 27,402.08, 37,815 and 15,465.92

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Solution

The fourth proportional to 27,402.08, 37,815 and 15,465.92 is: 21,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.08 : 37,815 = 15,465.92 : x
  2. Step 2: Convert to fraction form
    27,402.08/37,815 = 15,465.92/x
  3. Step 3: Cross multiply
    27,402.08x = 37,815 × 15,465.92
  4. Step 4: Simplify right side
    27,402.08x = 584,843,764.80
  5. Step 5: Solve for x
    x = 584,843,764.80/27,402.08
  6. Step 6: Final answer
    x = 21,343.04

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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.