Home / 28,910.40-39,741.60-26,059.20

Finding the Fourth Proportional to 28,910.40, 39,741.60 and 26,059.20

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Solution

The fourth proportional to 28,910.40, 39,741.60 and 26,059.20 is: 35,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.40 : 39,741.60 = 26,059.20 : x
  2. Step 2: Convert to fraction form
    28,910.40/39,741.60 = 26,059.20/x
  3. Step 3: Cross multiply
    28,910.40x = 39,741.60 × 26,059.20
  4. Step 4: Simplify right side
    28,910.40x = 1,035,634,302.72
  5. Step 5: Solve for x
    x = 1,035,634,302.72/28,910.40
  6. Step 6: Final answer
    x = 35,822.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.