Home / 28,762.93-43,140.95-7,704.55

Finding the Fourth Proportional to 28,762.93, 43,140.95 and 7,704.55

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Solution

The fourth proportional to 28,762.93, 43,140.95 and 7,704.55 is: 11,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.93 : 43,140.95 = 7,704.55 : x
  2. Step 2: Convert to fraction form
    28,762.93/43,140.95 = 7,704.55/x
  3. Step 3: Cross multiply
    28,762.93x = 43,140.95 × 7,704.55
  4. Step 4: Simplify right side
    28,762.93x = 332,381,606.32
  5. Step 5: Solve for x
    x = 332,381,606.32/28,762.93
  6. Step 6: Final answer
    x = 11,555.90

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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.