Home / 28,859.66-43,211.30-14,979.50

Finding the Fourth Proportional to 28,859.66, 43,211.30 and 14,979.50

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Solution

The fourth proportional to 28,859.66, 43,211.30 and 14,979.50 is: 22,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.66 : 43,211.30 = 14,979.50 : x
  2. Step 2: Convert to fraction form
    28,859.66/43,211.30 = 14,979.50/x
  3. Step 3: Cross multiply
    28,859.66x = 43,211.30 × 14,979.50
  4. Step 4: Simplify right side
    28,859.66x = 647,283,701.48
  5. Step 5: Solve for x
    x = 647,283,701.48/28,859.66
  6. Step 6: Final answer
    x = 22,428.66

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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.