Home / 23,037.29-31,791.68-12,828.46

Finding the Fourth Proportional to 23,037.29, 31,791.68 and 12,828.46

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Solution

The fourth proportional to 23,037.29, 31,791.68 and 12,828.46 is: 17,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.29 : 31,791.68 = 12,828.46 : x
  2. Step 2: Convert to fraction form
    23,037.29/31,791.68 = 12,828.46/x
  3. Step 3: Cross multiply
    23,037.29x = 31,791.68 × 12,828.46
  4. Step 4: Simplify right side
    23,037.29x = 407,838,295.21
  5. Step 5: Solve for x
    x = 407,838,295.21/23,037.29
  6. Step 6: Final answer
    x = 17,703.40

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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.