Home / 31,576.07-43,574.97-17,428.91

Finding the Fourth Proportional to 31,576.07, 43,574.97 and 17,428.91

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Solution

The fourth proportional to 31,576.07, 43,574.97 and 17,428.91 is: 24,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.07 : 43,574.97 = 17,428.91 : x
  2. Step 2: Convert to fraction form
    31,576.07/43,574.97 = 17,428.91/x
  3. Step 3: Cross multiply
    31,576.07x = 43,574.97 × 17,428.91
  4. Step 4: Simplify right side
    31,576.07x = 759,464,230.38
  5. Step 5: Solve for x
    x = 759,464,230.38/31,576.07
  6. Step 6: Final answer
    x = 24,051.90

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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.