Home / 27,485.58-37,930.10-15,548.66

Finding the Fourth Proportional to 27,485.58, 37,930.10 and 15,548.66

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Solution

The fourth proportional to 27,485.58, 37,930.10 and 15,548.66 is: 21,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.58 : 37,930.10 = 15,548.66 : x
  2. Step 2: Convert to fraction form
    27,485.58/37,930.10 = 15,548.66/x
  3. Step 3: Cross multiply
    27,485.58x = 37,930.10 × 15,548.66
  4. Step 4: Simplify right side
    27,485.58x = 589,762,147.24
  5. Step 5: Solve for x
    x = 589,762,147.24/27,485.58
  6. Step 6: Final answer
    x = 21,457.15

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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.