Home / 25,309.70-37,964.55-16,853.30

Finding the Fourth Proportional to 25,309.70, 37,964.55 and 16,853.30

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Solution

The fourth proportional to 25,309.70, 37,964.55 and 16,853.30 is: 25,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.70 : 37,964.55 = 16,853.30 : x
  2. Step 2: Convert to fraction form
    25,309.70/37,964.55 = 16,853.30/x
  3. Step 3: Cross multiply
    25,309.70x = 37,964.55 × 16,853.30
  4. Step 4: Simplify right side
    25,309.70x = 639,827,950.52
  5. Step 5: Solve for x
    x = 639,827,950.52/25,309.70
  6. Step 6: Final answer
    x = 25,279.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.