Home / 27,639.52-38,156.58-16,312.46

Finding the Fourth Proportional to 27,639.52, 38,156.58 and 16,312.46

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Solution

The fourth proportional to 27,639.52, 38,156.58 and 16,312.46 is: 22,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.52 : 38,156.58 = 16,312.46 : x
  2. Step 2: Convert to fraction form
    27,639.52/38,156.58 = 16,312.46/x
  3. Step 3: Cross multiply
    27,639.52x = 38,156.58 × 16,312.46
  4. Step 4: Simplify right side
    27,639.52x = 622,427,684.99
  5. Step 5: Solve for x
    x = 622,427,684.99/27,639.52
  6. Step 6: Final answer
    x = 22,519.48

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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.