Home / 28,875.53-39,558.80-27,796.15

Finding the Fourth Proportional to 28,875.53, 39,558.80 and 27,796.15

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Solution

The fourth proportional to 28,875.53, 39,558.80 and 27,796.15 is: 38,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.53 : 39,558.80 = 27,796.15 : x
  2. Step 2: Convert to fraction form
    28,875.53/39,558.80 = 27,796.15/x
  3. Step 3: Cross multiply
    28,875.53x = 39,558.80 × 27,796.15
  4. Step 4: Simplify right side
    28,875.53x = 1,099,582,412.46
  5. Step 5: Solve for x
    x = 1,099,582,412.46/28,875.53
  6. Step 6: Final answer
    x = 38,080.08

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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.