Home / 28,638.56-39,431.40-26,014.16

Finding the Fourth Proportional to 28,638.56, 39,431.40 and 26,014.16

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Solution

The fourth proportional to 28,638.56, 39,431.40 and 26,014.16 is: 35,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638.56 : 39,431.40 = 26,014.16 : x
  2. Step 2: Convert to fraction form
    28,638.56/39,431.40 = 26,014.16/x
  3. Step 3: Cross multiply
    28,638.56x = 39,431.40 × 26,014.16
  4. Step 4: Simplify right side
    28,638.56x = 1,025,774,748.62
  5. Step 5: Solve for x
    x = 1,025,774,748.62/28,638.56
  6. Step 6: Final answer
    x = 35,817.96

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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.