Home / 27,039.04-37,350.40-20,375.04

Finding the Fourth Proportional to 27,039.04, 37,350.40 and 20,375.04

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Solution

The fourth proportional to 27,039.04, 37,350.40 and 20,375.04 is: 28,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.04 : 37,350.40 = 20,375.04 : x
  2. Step 2: Convert to fraction form
    27,039.04/37,350.40 = 20,375.04/x
  3. Step 3: Cross multiply
    27,039.04x = 37,350.40 × 20,375.04
  4. Step 4: Simplify right side
    27,039.04x = 761,015,894.02
  5. Step 5: Solve for x
    x = 761,015,894.02/27,039.04
  6. Step 6: Final answer
    x = 28,145.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.