Home / 28,931.22-43,393.56-19,630.98

Finding the Fourth Proportional to 28,931.22, 43,393.56 and 19,630.98

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Solution

The fourth proportional to 28,931.22, 43,393.56 and 19,630.98 is: 29,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.22 : 43,393.56 = 19,630.98 : x
  2. Step 2: Convert to fraction form
    28,931.22/43,393.56 = 19,630.98/x
  3. Step 3: Cross multiply
    28,931.22x = 43,393.56 × 19,630.98
  4. Step 4: Simplify right side
    28,931.22x = 851,858,108.49
  5. Step 5: Solve for x
    x = 851,858,108.49/28,931.22
  6. Step 6: Final answer
    x = 29,444.25

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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.