Home / 27,185.63-40,777.90-15,473.75

Finding the Fourth Proportional to 27,185.63, 40,777.90 and 15,473.75

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Solution

The fourth proportional to 27,185.63, 40,777.90 and 15,473.75 is: 23,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.63 : 40,777.90 = 15,473.75 : x
  2. Step 2: Convert to fraction form
    27,185.63/40,777.90 = 15,473.75/x
  3. Step 3: Cross multiply
    27,185.63x = 40,777.90 × 15,473.75
  4. Step 4: Simplify right side
    27,185.63x = 630,987,030.13
  5. Step 5: Solve for x
    x = 630,987,030.13/27,185.63
  6. Step 6: Final answer
    x = 23,210.31

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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.