Home / 28,393.08-42,573.74-13,179.43

Finding the Fourth Proportional to 28,393.08, 42,573.74 and 13,179.43

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Solution

The fourth proportional to 28,393.08, 42,573.74 and 13,179.43 is: 19,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.08 : 42,573.74 = 13,179.43 : x
  2. Step 2: Convert to fraction form
    28,393.08/42,573.74 = 13,179.43/x
  3. Step 3: Cross multiply
    28,393.08x = 42,573.74 × 13,179.43
  4. Step 4: Simplify right side
    28,393.08x = 561,097,411.08
  5. Step 5: Solve for x
    x = 561,097,411.08/28,393.08
  6. Step 6: Final answer
    x = 19,761.76

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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.