Home / 28,004.85-42,002.73-11,364.21

Finding the Fourth Proportional to 28,004.85, 42,002.73 and 11,364.21

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Solution

The fourth proportional to 28,004.85, 42,002.73 and 11,364.21 is: 17,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.85 : 42,002.73 = 11,364.21 : x
  2. Step 2: Convert to fraction form
    28,004.85/42,002.73 = 11,364.21/x
  3. Step 3: Cross multiply
    28,004.85x = 42,002.73 × 11,364.21
  4. Step 4: Simplify right side
    28,004.85x = 477,327,844.29
  5. Step 5: Solve for x
    x = 477,327,844.29/28,004.85
  6. Step 6: Final answer
    x = 17,044.47

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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.