Home / 27,585.86-38,069.22-15,650.99

Finding the Fourth Proportional to 27,585.86, 38,069.22 and 15,650.99

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Solution

The fourth proportional to 27,585.86, 38,069.22 and 15,650.99 is: 21,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.86 : 38,069.22 = 15,650.99 : x
  2. Step 2: Convert to fraction form
    27,585.86/38,069.22 = 15,650.99/x
  3. Step 3: Cross multiply
    27,585.86x = 38,069.22 × 15,650.99
  4. Step 4: Simplify right side
    27,585.86x = 595,820,981.53
  5. Step 5: Solve for x
    x = 595,820,981.53/27,585.86
  6. Step 6: Final answer
    x = 21,598.78

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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.