Home / 28,439.41-39,240.37-16,501.23

Finding the Fourth Proportional to 28,439.41, 39,240.37 and 16,501.23

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Solution

The fourth proportional to 28,439.41, 39,240.37 and 16,501.23 is: 22,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,439.41 : 39,240.37 = 16,501.23 : x
  2. Step 2: Convert to fraction form
    28,439.41/39,240.37 = 16,501.23/x
  3. Step 3: Cross multiply
    28,439.41x = 39,240.37 × 16,501.23
  4. Step 4: Simplify right side
    28,439.41x = 647,514,370.66
  5. Step 5: Solve for x
    x = 647,514,370.66/28,439.41
  6. Step 6: Final answer
    x = 22,768.21

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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.