Home / 37,836.96-56,762.88-15,638.40

Finding the Fourth Proportional to 37,836.96, 56,762.88 and 15,638.40

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Solution

The fourth proportional to 37,836.96, 56,762.88 and 15,638.40 is: 23,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836.96 : 56,762.88 = 15,638.40 : x
  2. Step 2: Convert to fraction form
    37,836.96/56,762.88 = 15,638.40/x
  3. Step 3: Cross multiply
    37,836.96x = 56,762.88 × 15,638.40
  4. Step 4: Simplify right side
    37,836.96x = 887,680,622.59
  5. Step 5: Solve for x
    x = 887,680,622.59/37,836.96
  6. Step 6: Final answer
    x = 23,460.68

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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.