Home / 38,090.16-57,133.08-10,386

Finding the Fourth Proportional to 38,090.16, 57,133.08 and 10,386

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Solution

The fourth proportional to 38,090.16, 57,133.08 and 10,386 is: 15,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.16 : 57,133.08 = 10,386 : x
  2. Step 2: Convert to fraction form
    38,090.16/57,133.08 = 10,386/x
  3. Step 3: Cross multiply
    38,090.16x = 57,133.08 × 10,386
  4. Step 4: Simplify right side
    38,090.16x = 593,384,168.88
  5. Step 5: Solve for x
    x = 593,384,168.88/38,090.16
  6. Step 6: Final answer
    x = 15,578.41

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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.