Home / 27,400.47-37,808.59-16,639.74

Finding the Fourth Proportional to 27,400.47, 37,808.59 and 16,639.74

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Solution

The fourth proportional to 27,400.47, 37,808.59 and 16,639.74 is: 22,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.47 : 37,808.59 = 16,639.74 : x
  2. Step 2: Convert to fraction form
    27,400.47/37,808.59 = 16,639.74/x
  3. Step 3: Cross multiply
    27,400.47x = 37,808.59 × 16,639.74
  4. Step 4: Simplify right side
    27,400.47x = 629,125,160.29
  5. Step 5: Solve for x
    x = 629,125,160.29/27,400.47
  6. Step 6: Final answer
    x = 22,960.38

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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.