Home / 28,741.36-39,650.65-16,470.24

Finding the Fourth Proportional to 28,741.36, 39,650.65 and 16,470.24

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Solution

The fourth proportional to 28,741.36, 39,650.65 and 16,470.24 is: 22,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.36 : 39,650.65 = 16,470.24 : x
  2. Step 2: Convert to fraction form
    28,741.36/39,650.65 = 16,470.24/x
  3. Step 3: Cross multiply
    28,741.36x = 39,650.65 × 16,470.24
  4. Step 4: Simplify right side
    28,741.36x = 653,055,601.27
  5. Step 5: Solve for x
    x = 653,055,601.27/28,741.36
  6. Step 6: Final answer
    x = 22,721.81

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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.