Home / 27,559.85-38,033.90-15,623.42

Finding the Fourth Proportional to 27,559.85, 38,033.90 and 15,623.42

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Solution

The fourth proportional to 27,559.85, 38,033.90 and 15,623.42 is: 21,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.85 : 38,033.90 = 15,623.42 : x
  2. Step 2: Convert to fraction form
    27,559.85/38,033.90 = 15,623.42/x
  3. Step 3: Cross multiply
    27,559.85x = 38,033.90 × 15,623.42
  4. Step 4: Simplify right side
    27,559.85x = 594,219,325.65
  5. Step 5: Solve for x
    x = 594,219,325.65/27,559.85
  6. Step 6: Final answer
    x = 21,561.05

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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.