Home / 28,873.88-43,312.36-9,153.98

Finding the Fourth Proportional to 28,873.88, 43,312.36 and 9,153.98

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Solution

The fourth proportional to 28,873.88, 43,312.36 and 9,153.98 is: 13,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.88 : 43,312.36 = 9,153.98 : x
  2. Step 2: Convert to fraction form
    28,873.88/43,312.36 = 9,153.98/x
  3. Step 3: Cross multiply
    28,873.88x = 43,312.36 × 9,153.98
  4. Step 4: Simplify right side
    28,873.88x = 396,480,477.19
  5. Step 5: Solve for x
    x = 396,480,477.19/28,873.88
  6. Step 6: Final answer
    x = 13,731.46

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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.