Home / 72,927.39-109,347.33-28,501.22

Finding the Fourth Proportional to 72,927.39, 109,347.33 and 28,501.22

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Solution

The fourth proportional to 72,927.39, 109,347.33 and 28,501.22 is: 42,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.39 : 109,347.33 = 28,501.22 : x
  2. Step 2: Convert to fraction form
    72,927.39/109,347.33 = 28,501.22/x
  3. Step 3: Cross multiply
    72,927.39x = 109,347.33 × 28,501.22
  4. Step 4: Simplify right side
    72,927.39x = 3,116,532,688.99
  5. Step 5: Solve for x
    x = 3,116,532,688.99/72,927.39
  6. Step 6: Final answer
    x = 42,734.73

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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.