Home / 27,030.60-37,305.56-15,697.64

Finding the Fourth Proportional to 27,030.60, 37,305.56 and 15,697.64

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Solution

The fourth proportional to 27,030.60, 37,305.56 and 15,697.64 is: 21,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.60 : 37,305.56 = 15,697.64 : x
  2. Step 2: Convert to fraction form
    27,030.60/37,305.56 = 15,697.64/x
  3. Step 3: Cross multiply
    27,030.60x = 37,305.56 × 15,697.64
  4. Step 4: Simplify right side
    27,030.60x = 585,609,250.88
  5. Step 5: Solve for x
    x = 585,609,250.88/27,030.60
  6. Step 6: Final answer
    x = 21,664.68

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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.