Home / 28,723.98-43,076.41-12,080.91

Finding the Fourth Proportional to 28,723.98, 43,076.41 and 12,080.91

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Solution

The fourth proportional to 28,723.98, 43,076.41 and 12,080.91 is: 18,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.98 : 43,076.41 = 12,080.91 : x
  2. Step 2: Convert to fraction form
    28,723.98/43,076.41 = 12,080.91/x
  3. Step 3: Cross multiply
    28,723.98x = 43,076.41 × 12,080.91
  4. Step 4: Simplify right side
    28,723.98x = 520,402,363.67
  5. Step 5: Solve for x
    x = 520,402,363.67/28,723.98
  6. Step 6: Final answer
    x = 18,117.35

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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.