Home / 28,968.12-39,942.18-26,868.60

Finding the Fourth Proportional to 28,968.12, 39,942.18 and 26,868.60

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Solution

The fourth proportional to 28,968.12, 39,942.18 and 26,868.60 is: 37,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.12 : 39,942.18 = 26,868.60 : x
  2. Step 2: Convert to fraction form
    28,968.12/39,942.18 = 26,868.60/x
  3. Step 3: Cross multiply
    28,968.12x = 39,942.18 × 26,868.60
  4. Step 4: Simplify right side
    28,968.12x = 1,073,190,457.55
  5. Step 5: Solve for x
    x = 1,073,190,457.55/28,968.12
  6. Step 6: Final answer
    x = 37,047.29

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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.