Home / 26,871.02-39,968.23-26,781.11

Finding the Fourth Proportional to 26,871.02, 39,968.23 and 26,781.11

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Solution

The fourth proportional to 26,871.02, 39,968.23 and 26,781.11 is: 39,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.02 : 39,968.23 = 26,781.11 : x
  2. Step 2: Convert to fraction form
    26,871.02/39,968.23 = 26,781.11/x
  3. Step 3: Cross multiply
    26,871.02x = 39,968.23 × 26,781.11
  4. Step 4: Simplify right side
    26,871.02x = 1,070,393,564.14
  5. Step 5: Solve for x
    x = 1,070,393,564.14/26,871.02
  6. Step 6: Final answer
    x = 39,834.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.