Home / 28,816.61-43,235.08-10,101.86

Finding the Fourth Proportional to 28,816.61, 43,235.08 and 10,101.86

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Solution

The fourth proportional to 28,816.61, 43,235.08 and 10,101.86 is: 15,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.61 : 43,235.08 = 10,101.86 : x
  2. Step 2: Convert to fraction form
    28,816.61/43,235.08 = 10,101.86/x
  3. Step 3: Cross multiply
    28,816.61x = 43,235.08 × 10,101.86
  4. Step 4: Simplify right side
    28,816.61x = 436,754,483.82
  5. Step 5: Solve for x
    x = 436,754,483.82/28,816.61
  6. Step 6: Final answer
    x = 15,156.35

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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.