Home / 28,841.76-39,780.81-22,269.06

Finding the Fourth Proportional to 28,841.76, 39,780.81 and 22,269.06

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Solution

The fourth proportional to 28,841.76, 39,780.81 and 22,269.06 is: 30,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.76 : 39,780.81 = 22,269.06 : x
  2. Step 2: Convert to fraction form
    28,841.76/39,780.81 = 22,269.06/x
  3. Step 3: Cross multiply
    28,841.76x = 39,780.81 × 22,269.06
  4. Step 4: Simplify right side
    28,841.76x = 885,881,244.74
  5. Step 5: Solve for x
    x = 885,881,244.74/28,841.76
  6. Step 6: Final answer
    x = 30,715.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.