Home / 27,455.04-37,883.84-15,518.28

Finding the Fourth Proportional to 27,455.04, 37,883.84 and 15,518.28

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Solution

The fourth proportional to 27,455.04, 37,883.84 and 15,518.28 is: 21,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.04 : 37,883.84 = 15,518.28 : x
  2. Step 2: Convert to fraction form
    27,455.04/37,883.84 = 15,518.28/x
  3. Step 3: Cross multiply
    27,455.04x = 37,883.84 × 15,518.28
  4. Step 4: Simplify right side
    27,455.04x = 587,892,036.60
  5. Step 5: Solve for x
    x = 587,892,036.60/27,455.04
  6. Step 6: Final answer
    x = 21,412.90

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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.