Home / 38,428.47-57,638.37-10,350.59

Finding the Fourth Proportional to 38,428.47, 57,638.37 and 10,350.59

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Solution

The fourth proportional to 38,428.47, 57,638.37 and 10,350.59 is: 15,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.47 : 57,638.37 = 10,350.59 : x
  2. Step 2: Convert to fraction form
    38,428.47/57,638.37 = 10,350.59/x
  3. Step 3: Cross multiply
    38,428.47x = 57,638.37 × 10,350.59
  4. Step 4: Simplify right side
    38,428.47x = 596,590,886.76
  5. Step 5: Solve for x
    x = 596,590,886.76/38,428.47
  6. Step 6: Final answer
    x = 15,524.71

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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.