Home / 43,784.70-65,688.66-15,707.52

Finding the Fourth Proportional to 43,784.70, 65,688.66 and 15,707.52

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Solution

The fourth proportional to 43,784.70, 65,688.66 and 15,707.52 is: 23,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.70 : 65,688.66 = 15,707.52 : x
  2. Step 2: Convert to fraction form
    43,784.70/65,688.66 = 15,707.52/x
  3. Step 3: Cross multiply
    43,784.70x = 65,688.66 × 15,707.52
  4. Step 4: Simplify right side
    43,784.70x = 1,031,805,940.72
  5. Step 5: Solve for x
    x = 1,031,805,940.72/43,784.70
  6. Step 6: Final answer
    x = 23,565.45

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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.