Home / 27,420.04-41,130.06-6,643.54

Finding the Fourth Proportional to 27,420.04, 41,130.06 and 6,643.54

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Solution

The fourth proportional to 27,420.04, 41,130.06 and 6,643.54 is: 9,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.04 : 41,130.06 = 6,643.54 : x
  2. Step 2: Convert to fraction form
    27,420.04/41,130.06 = 6,643.54/x
  3. Step 3: Cross multiply
    27,420.04x = 41,130.06 × 6,643.54
  4. Step 4: Simplify right side
    27,420.04x = 273,249,198.81
  5. Step 5: Solve for x
    x = 273,249,198.81/27,420.04
  6. Step 6: Final answer
    x = 9,965.31

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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.