Home / 28,248.18-38,971.37-16,309.22

Finding the Fourth Proportional to 28,248.18, 38,971.37 and 16,309.22

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Solution

The fourth proportional to 28,248.18, 38,971.37 and 16,309.22 is: 22,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.18 : 38,971.37 = 16,309.22 : x
  2. Step 2: Convert to fraction form
    28,248.18/38,971.37 = 16,309.22/x
  3. Step 3: Cross multiply
    28,248.18x = 38,971.37 × 16,309.22
  4. Step 4: Simplify right side
    28,248.18x = 635,592,370.63
  5. Step 5: Solve for x
    x = 635,592,370.63/28,248.18
  6. Step 6: Final answer
    x = 22,500.29

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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.