Home / 31,726.69-47,590.80-10,667.00

Finding the Fourth Proportional to 31,726.69, 47,590.80 and 10,667.00

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Solution

The fourth proportional to 31,726.69, 47,590.80 and 10,667.00 is: 16,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.69 : 47,590.80 = 10,667.00 : x
  2. Step 2: Convert to fraction form
    31,726.69/47,590.80 = 10,667.00/x
  3. Step 3: Cross multiply
    31,726.69x = 47,590.80 × 10,667.00
  4. Step 4: Simplify right side
    31,726.69x = 507,651,142.58
  5. Step 5: Solve for x
    x = 507,651,142.58/31,726.69
  6. Step 6: Final answer
    x = 16,000.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.