Home / 27,128.16-37,437.93-15,191.39

Finding the Fourth Proportional to 27,128.16, 37,437.93 and 15,191.39

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Solution

The fourth proportional to 27,128.16, 37,437.93 and 15,191.39 is: 20,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.16 : 37,437.93 = 15,191.39 : x
  2. Step 2: Convert to fraction form
    27,128.16/37,437.93 = 15,191.39/x
  3. Step 3: Cross multiply
    27,128.16x = 37,437.93 × 15,191.39
  4. Step 4: Simplify right side
    27,128.16x = 568,734,289.02
  5. Step 5: Solve for x
    x = 568,734,289.02/27,128.16
  6. Step 6: Final answer
    x = 20,964.72

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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.