Home / 38,388-57,582.08-10,686.08

Finding the Fourth Proportional to 38,388, 57,582.08 and 10,686.08

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Solution

The fourth proportional to 38,388, 57,582.08 and 10,686.08 is: 16,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388 : 57,582.08 = 10,686.08 : x
  2. Step 2: Convert to fraction form
    38,388/57,582.08 = 10,686.08/x
  3. Step 3: Cross multiply
    38,388x = 57,582.08 × 10,686.08
  4. Step 4: Simplify right side
    38,388x = 615,326,713.45
  5. Step 5: Solve for x
    x = 615,326,713.45/38,388
  6. Step 6: Final answer
    x = 16,029.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.