Home / 28,322.67-39,058.16-18,747.39

Finding the Fourth Proportional to 28,322.67, 39,058.16 and 18,747.39

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Solution

The fourth proportional to 28,322.67, 39,058.16 and 18,747.39 is: 25,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.67 : 39,058.16 = 18,747.39 : x
  2. Step 2: Convert to fraction form
    28,322.67/39,058.16 = 18,747.39/x
  3. Step 3: Cross multiply
    28,322.67x = 39,058.16 × 18,747.39
  4. Step 4: Simplify right side
    28,322.67x = 732,238,464.47
  5. Step 5: Solve for x
    x = 732,238,464.47/28,322.67
  6. Step 6: Final answer
    x = 25,853.44

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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.