Home / 28,398.18-39,189.51-16,468.44

Finding the Fourth Proportional to 28,398.18, 39,189.51 and 16,468.44

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Solution

The fourth proportional to 28,398.18, 39,189.51 and 16,468.44 is: 22,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.18 : 39,189.51 = 16,468.44 : x
  2. Step 2: Convert to fraction form
    28,398.18/39,189.51 = 16,468.44/x
  3. Step 3: Cross multiply
    28,398.18x = 39,189.51 × 16,468.44
  4. Step 4: Simplify right side
    28,398.18x = 645,390,094.06
  5. Step 5: Solve for x
    x = 645,390,094.06/28,398.18
  6. Step 6: Final answer
    x = 22,726.46

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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.