Home / 43,219.06-64,828.65-28,493.74

Finding the Fourth Proportional to 43,219.06, 64,828.65 and 28,493.74

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Solution

The fourth proportional to 43,219.06, 64,828.65 and 28,493.74 is: 42,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.06 : 64,828.65 = 28,493.74 : x
  2. Step 2: Convert to fraction form
    43,219.06/64,828.65 = 28,493.74/x
  3. Step 3: Cross multiply
    43,219.06x = 64,828.65 × 28,493.74
  4. Step 4: Simplify right side
    43,219.06x = 1,847,210,697.65
  5. Step 5: Solve for x
    x = 1,847,210,697.65/43,219.06
  6. Step 6: Final answer
    x = 42,740.65

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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.