Home / 26,005.80-39,008.70-25,276.80

Finding the Fourth Proportional to 26,005.80, 39,008.70 and 25,276.80

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Solution

The fourth proportional to 26,005.80, 39,008.70 and 25,276.80 is: 37,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.80 : 39,008.70 = 25,276.80 : x
  2. Step 2: Convert to fraction form
    26,005.80/39,008.70 = 25,276.80/x
  3. Step 3: Cross multiply
    26,005.80x = 39,008.70 × 25,276.80
  4. Step 4: Simplify right side
    26,005.80x = 986,015,108.16
  5. Step 5: Solve for x
    x = 986,015,108.16/26,005.80
  6. Step 6: Final answer
    x = 37,915.20

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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.