Home / 28,297.88-39,053.40-18,247.25

Finding the Fourth Proportional to 28,297.88, 39,053.40 and 18,247.25

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Solution

The fourth proportional to 28,297.88, 39,053.40 and 18,247.25 is: 25,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.88 : 39,053.40 = 18,247.25 : x
  2. Step 2: Convert to fraction form
    28,297.88/39,053.40 = 18,247.25/x
  3. Step 3: Cross multiply
    28,297.88x = 39,053.40 × 18,247.25
  4. Step 4: Simplify right side
    28,297.88x = 712,617,153.15
  5. Step 5: Solve for x
    x = 712,617,153.15/28,297.88
  6. Step 6: Final answer
    x = 25,182.70

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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.