Home / 22,898.71-31,599.35-12,826.66

Finding the Fourth Proportional to 22,898.71, 31,599.35 and 12,826.66

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Solution

The fourth proportional to 22,898.71, 31,599.35 and 12,826.66 is: 17,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,898.71 : 31,599.35 = 12,826.66 : x
  2. Step 2: Convert to fraction form
    22,898.71/31,599.35 = 12,826.66/x
  3. Step 3: Cross multiply
    22,898.71x = 31,599.35 × 12,826.66
  4. Step 4: Simplify right side
    22,898.71x = 405,313,896.54
  5. Step 5: Solve for x
    x = 405,313,896.54/22,898.71
  6. Step 6: Final answer
    x = 17,700.30

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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.