Home / 28,041.14-42,001.41-13,227.86

Finding the Fourth Proportional to 28,041.14, 42,001.41 and 13,227.86

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Solution

The fourth proportional to 28,041.14, 42,001.41 and 13,227.86 is: 19,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.14 : 42,001.41 = 13,227.86 : x
  2. Step 2: Convert to fraction form
    28,041.14/42,001.41 = 13,227.86/x
  3. Step 3: Cross multiply
    28,041.14x = 42,001.41 × 13,227.86
  4. Step 4: Simplify right side
    28,041.14x = 555,588,771.28
  5. Step 5: Solve for x
    x = 555,588,771.28/28,041.14
  6. Step 6: Final answer
    x = 19,813.34

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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.