Home / 28,006.35-42,004.98-11,365.71

Finding the Fourth Proportional to 28,006.35, 42,004.98 and 11,365.71

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Solution

The fourth proportional to 28,006.35, 42,004.98 and 11,365.71 is: 17,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.35 : 42,004.98 = 11,365.71 : x
  2. Step 2: Convert to fraction form
    28,006.35/42,004.98 = 11,365.71/x
  3. Step 3: Cross multiply
    28,006.35x = 42,004.98 × 11,365.71
  4. Step 4: Simplify right side
    28,006.35x = 477,416,421.24
  5. Step 5: Solve for x
    x = 477,416,421.24/28,006.35
  6. Step 6: Final answer
    x = 17,046.72

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1.5x scale

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.