Home / 28,424.12-39,227.08-16,328.39

Finding the Fourth Proportional to 28,424.12, 39,227.08 and 16,328.39

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Solution

The fourth proportional to 28,424.12, 39,227.08 and 16,328.39 is: 22,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.12 : 39,227.08 = 16,328.39 : x
  2. Step 2: Convert to fraction form
    28,424.12/39,227.08 = 16,328.39/x
  3. Step 3: Cross multiply
    28,424.12x = 39,227.08 × 16,328.39
  4. Step 4: Simplify right side
    28,424.12x = 640,514,897.40
  5. Step 5: Solve for x
    x = 640,514,897.40/28,424.12
  6. Step 6: Final answer
    x = 22,534.20

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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.