Home / 28,931.52-43,360.80-15,756.48

Finding the Fourth Proportional to 28,931.52, 43,360.80 and 15,756.48

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Solution

The fourth proportional to 28,931.52, 43,360.80 and 15,756.48 is: 23,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.52 : 43,360.80 = 15,756.48 : x
  2. Step 2: Convert to fraction form
    28,931.52/43,360.80 = 15,756.48/x
  3. Step 3: Cross multiply
    28,931.52x = 43,360.80 × 15,756.48
  4. Step 4: Simplify right side
    28,931.52x = 683,213,577.98
  5. Step 5: Solve for x
    x = 683,213,577.98/28,931.52
  6. Step 6: Final answer
    x = 23,614.85

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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.