Home / 44,128.80-66,116.40-28,538.40

Finding the Fourth Proportional to 44,128.80, 66,116.40 and 28,538.40

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Solution

The fourth proportional to 44,128.80, 66,116.40 and 28,538.40 is: 42,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.80 : 66,116.40 = 28,538.40 : x
  2. Step 2: Convert to fraction form
    44,128.80/66,116.40 = 28,538.40/x
  3. Step 3: Cross multiply
    44,128.80x = 66,116.40 × 28,538.40
  4. Step 4: Simplify right side
    44,128.80x = 1,886,856,269.76
  5. Step 5: Solve for x
    x = 1,886,856,269.76/44,128.80
  6. Step 6: Final answer
    x = 42,757.93

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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.