Home / 27,421.56-37,842.48-15,485.16

Finding the Fourth Proportional to 27,421.56, 37,842.48 and 15,485.16

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Solution

The fourth proportional to 27,421.56, 37,842.48 and 15,485.16 is: 21,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.56 : 37,842.48 = 15,485.16 : x
  2. Step 2: Convert to fraction form
    27,421.56/37,842.48 = 15,485.16/x
  3. Step 3: Cross multiply
    27,421.56x = 37,842.48 × 15,485.16
  4. Step 4: Simplify right side
    27,421.56x = 585,996,857.60
  5. Step 5: Solve for x
    x = 585,996,857.60/27,421.56
  6. Step 6: Final answer
    x = 21,369.93

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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.