Home / 27,342.96-40,985.19-19,528.08

Finding the Fourth Proportional to 27,342.96, 40,985.19 and 19,528.08

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Solution

The fourth proportional to 27,342.96, 40,985.19 and 19,528.08 is: 29,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.96 : 40,985.19 = 19,528.08 : x
  2. Step 2: Convert to fraction form
    27,342.96/40,985.19 = 19,528.08/x
  3. Step 3: Cross multiply
    27,342.96x = 40,985.19 × 19,528.08
  4. Step 4: Simplify right side
    27,342.96x = 800,362,069.14
  5. Step 5: Solve for x
    x = 800,362,069.14/27,342.96
  6. Step 6: Final answer
    x = 29,271.23

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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.