Home / 27,388.02-37,794.60-15,451.20

Finding the Fourth Proportional to 27,388.02, 37,794.60 and 15,451.20

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Solution

The fourth proportional to 27,388.02, 37,794.60 and 15,451.20 is: 21,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.02 : 37,794.60 = 15,451.20 : x
  2. Step 2: Convert to fraction form
    27,388.02/37,794.60 = 15,451.20/x
  3. Step 3: Cross multiply
    27,388.02x = 37,794.60 × 15,451.20
  4. Step 4: Simplify right side
    27,388.02x = 583,971,923.52
  5. Step 5: Solve for x
    x = 583,971,923.52/27,388.02
  6. Step 6: Final answer
    x = 21,322.17

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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.