Home / 28,931.88-43,353.17-19,535.07

Finding the Fourth Proportional to 28,931.88, 43,353.17 and 19,535.07

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Solution

The fourth proportional to 28,931.88, 43,353.17 and 19,535.07 is: 29,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.88 : 43,353.17 = 19,535.07 : x
  2. Step 2: Convert to fraction form
    28,931.88/43,353.17 = 19,535.07/x
  3. Step 3: Cross multiply
    28,931.88x = 43,353.17 × 19,535.07
  4. Step 4: Simplify right side
    28,931.88x = 846,907,113.00
  5. Step 5: Solve for x
    x = 846,907,113.00/28,931.88
  6. Step 6: Final answer
    x = 29,272.45

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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.