Home / 28,729.17-43,128.98-22,528.62

Finding the Fourth Proportional to 28,729.17, 43,128.98 and 22,528.62

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Solution

The fourth proportional to 28,729.17, 43,128.98 and 22,528.62 is: 33,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.17 : 43,128.98 = 22,528.62 : x
  2. Step 2: Convert to fraction form
    28,729.17/43,128.98 = 22,528.62/x
  3. Step 3: Cross multiply
    28,729.17x = 43,128.98 × 22,528.62
  4. Step 4: Simplify right side
    28,729.17x = 971,636,288.76
  5. Step 5: Solve for x
    x = 971,636,288.76/28,729.17
  6. Step 6: Final answer
    x = 33,820.55

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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.