Home / 28,324.19-39,088.38-15,577.90

Finding the Fourth Proportional to 28,324.19, 39,088.38 and 15,577.90

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Solution

The fourth proportional to 28,324.19, 39,088.38 and 15,577.90 is: 21,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.19 : 39,088.38 = 15,577.90 : x
  2. Step 2: Convert to fraction form
    28,324.19/39,088.38 = 15,577.90/x
  3. Step 3: Cross multiply
    28,324.19x = 39,088.38 × 15,577.90
  4. Step 4: Simplify right side
    28,324.19x = 608,914,874.80
  5. Step 5: Solve for x
    x = 608,914,874.80/28,324.19
  6. Step 6: Final answer
    x = 21,498.05

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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.