Home / 27,402.50-37,815.26-15,465.74

Finding the Fourth Proportional to 27,402.50, 37,815.26 and 15,465.74

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Solution

The fourth proportional to 27,402.50, 37,815.26 and 15,465.74 is: 21,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.50 : 37,815.26 = 15,465.74 : x
  2. Step 2: Convert to fraction form
    27,402.50/37,815.26 = 15,465.74/x
  3. Step 3: Cross multiply
    27,402.50x = 37,815.26 × 15,465.74
  4. Step 4: Simplify right side
    27,402.50x = 584,840,712.79
  5. Step 5: Solve for x
    x = 584,840,712.79/27,402.50
  6. Step 6: Final answer
    x = 21,342.60

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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.