Home / 28,693.71-43,014.65-10,221.39

Finding the Fourth Proportional to 28,693.71, 43,014.65 and 10,221.39

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Solution

The fourth proportional to 28,693.71, 43,014.65 and 10,221.39 is: 15,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.71 : 43,014.65 = 10,221.39 : x
  2. Step 2: Convert to fraction form
    28,693.71/43,014.65 = 10,221.39/x
  3. Step 3: Cross multiply
    28,693.71x = 43,014.65 × 10,221.39
  4. Step 4: Simplify right side
    28,693.71x = 439,669,462.26
  5. Step 5: Solve for x
    x = 439,669,462.26/28,693.71
  6. Step 6: Final answer
    x = 15,322.85

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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.