Home / 43,020.27-64,530.27-28,225.62

Finding the Fourth Proportional to 43,020.27, 64,530.27 and 28,225.62

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Solution

The fourth proportional to 43,020.27, 64,530.27 and 28,225.62 is: 42,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,020.27 : 64,530.27 = 28,225.62 : x
  2. Step 2: Convert to fraction form
    43,020.27/64,530.27 = 28,225.62/x
  3. Step 3: Cross multiply
    43,020.27x = 64,530.27 × 28,225.62
  4. Step 4: Simplify right side
    43,020.27x = 1,821,406,879.52
  5. Step 5: Solve for x
    x = 1,821,406,879.52/43,020.27
  6. Step 6: Final answer
    x = 42,338.34

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1.5x scale

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.