Home / 28,589.56-42,538.31-27,875.32

Finding the Fourth Proportional to 28,589.56, 42,538.31 and 27,875.32

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Solution

The fourth proportional to 28,589.56, 42,538.31 and 27,875.32 is: 41,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.56 : 42,538.31 = 27,875.32 : x
  2. Step 2: Convert to fraction form
    28,589.56/42,538.31 = 27,875.32/x
  3. Step 3: Cross multiply
    28,589.56x = 42,538.31 × 27,875.32
  4. Step 4: Simplify right side
    28,589.56x = 1,185,769,003.51
  5. Step 5: Solve for x
    x = 1,185,769,003.51/28,589.56
  6. Step 6: Final answer
    x = 41,475.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.