Home / 27,715.52-38,247-16,535.36

Finding the Fourth Proportional to 27,715.52, 38,247 and 16,535.36

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Solution

The fourth proportional to 27,715.52, 38,247 and 16,535.36 is: 22,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.52 : 38,247 = 16,535.36 : x
  2. Step 2: Convert to fraction form
    27,715.52/38,247 = 16,535.36/x
  3. Step 3: Cross multiply
    27,715.52x = 38,247 × 16,535.36
  4. Step 4: Simplify right side
    27,715.52x = 632,427,913.92
  5. Step 5: Solve for x
    x = 632,427,913.92/27,715.52
  6. Step 6: Final answer
    x = 22,818.55

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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.