Home / 28,261.95-38,742.15-28,000.59

Finding the Fourth Proportional to 28,261.95, 38,742.15 and 28,000.59

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Solution

The fourth proportional to 28,261.95, 38,742.15 and 28,000.59 is: 38,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.95 : 38,742.15 = 28,000.59 : x
  2. Step 2: Convert to fraction form
    28,261.95/38,742.15 = 28,000.59/x
  3. Step 3: Cross multiply
    28,261.95x = 38,742.15 × 28,000.59
  4. Step 4: Simplify right side
    28,261.95x = 1,084,802,899.16
  5. Step 5: Solve for x
    x = 1,084,802,899.16/28,261.95
  6. Step 6: Final answer
    x = 38,383.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.