Home / 38,431.26-57,642.12-10,353.51

Finding the Fourth Proportional to 38,431.26, 57,642.12 and 10,353.51

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Solution

The fourth proportional to 38,431.26, 57,642.12 and 10,353.51 is: 15,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.26 : 57,642.12 = 10,353.51 : x
  2. Step 2: Convert to fraction form
    38,431.26/57,642.12 = 10,353.51/x
  3. Step 3: Cross multiply
    38,431.26x = 57,642.12 × 10,353.51
  4. Step 4: Simplify right side
    38,431.26x = 596,798,265.84
  5. Step 5: Solve for x
    x = 596,798,265.84/38,431.26
  6. Step 6: Final answer
    x = 15,528.98

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1.5x scale

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.