Home / 28,905.24-43,357.18-13,322.86

Finding the Fourth Proportional to 28,905.24, 43,357.18 and 13,322.86

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Solution

The fourth proportional to 28,905.24, 43,357.18 and 13,322.86 is: 19,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.24 : 43,357.18 = 13,322.86 : x
  2. Step 2: Convert to fraction form
    28,905.24/43,357.18 = 13,322.86/x
  3. Step 3: Cross multiply
    28,905.24x = 43,357.18 × 13,322.86
  4. Step 4: Simplify right side
    28,905.24x = 577,641,605.83
  5. Step 5: Solve for x
    x = 577,641,605.83/28,905.24
  6. Step 6: Final answer
    x = 19,983.98

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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.