Home / 72,927.64-109,347.67-28,501.43

Finding the Fourth Proportional to 72,927.64, 109,347.67 and 28,501.43

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Solution

The fourth proportional to 72,927.64, 109,347.67 and 28,501.43 is: 42,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.64 : 109,347.67 = 28,501.43 : x
  2. Step 2: Convert to fraction form
    72,927.64/109,347.67 = 28,501.43/x
  3. Step 3: Cross multiply
    72,927.64x = 109,347.67 × 28,501.43
  4. Step 4: Simplify right side
    72,927.64x = 3,116,564,819.66
  5. Step 5: Solve for x
    x = 3,116,564,819.66/72,927.64
  6. Step 6: Final answer
    x = 42,735.03

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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.