Home / 28,015.16-42,036.09-17,482.32

Finding the Fourth Proportional to 28,015.16, 42,036.09 and 17,482.32

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Solution

The fourth proportional to 28,015.16, 42,036.09 and 17,482.32 is: 26,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.16 : 42,036.09 = 17,482.32 : x
  2. Step 2: Convert to fraction form
    28,015.16/42,036.09 = 17,482.32/x
  3. Step 3: Cross multiply
    28,015.16x = 42,036.09 × 17,482.32
  4. Step 4: Simplify right side
    28,015.16x = 734,888,376.93
  5. Step 5: Solve for x
    x = 734,888,376.93/28,015.16
  6. Step 6: Final answer
    x = 26,231.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.