Home / 28,600.81-42,901.47-11,743.09

Finding the Fourth Proportional to 28,600.81, 42,901.47 and 11,743.09

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Solution

The fourth proportional to 28,600.81, 42,901.47 and 11,743.09 is: 17,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.81 : 42,901.47 = 11,743.09 : x
  2. Step 2: Convert to fraction form
    28,600.81/42,901.47 = 11,743.09/x
  3. Step 3: Cross multiply
    28,600.81x = 42,901.47 × 11,743.09
  4. Step 4: Simplify right side
    28,600.81x = 503,795,808.66
  5. Step 5: Solve for x
    x = 503,795,808.66/28,600.81
  6. Step 6: Final answer
    x = 17,614.74

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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.