Home / 32,128.06-44,356.85-20,647.62

Finding the Fourth Proportional to 32,128.06, 44,356.85 and 20,647.62

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Solution

The fourth proportional to 32,128.06, 44,356.85 and 20,647.62 is: 28,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.06 : 44,356.85 = 20,647.62 : x
  2. Step 2: Convert to fraction form
    32,128.06/44,356.85 = 20,647.62/x
  3. Step 3: Cross multiply
    32,128.06x = 44,356.85 × 20,647.62
  4. Step 4: Simplify right side
    32,128.06x = 915,863,383.20
  5. Step 5: Solve for x
    x = 915,863,383.20/32,128.06
  6. Step 6: Final answer
    x = 28,506.65

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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.