Home / 28,090.18-38,763.77-16,153.25

Finding the Fourth Proportional to 28,090.18, 38,763.77 and 16,153.25

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Solution

The fourth proportional to 28,090.18, 38,763.77 and 16,153.25 is: 22,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.18 : 38,763.77 = 16,153.25 : x
  2. Step 2: Convert to fraction form
    28,090.18/38,763.77 = 16,153.25/x
  3. Step 3: Cross multiply
    28,090.18x = 38,763.77 × 16,153.25
  4. Step 4: Simplify right side
    28,090.18x = 626,160,867.75
  5. Step 5: Solve for x
    x = 626,160,867.75/28,090.18
  6. Step 6: Final answer
    x = 22,291.09

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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.