Home / 28,237.52-42,299.80-16,986.66

Finding the Fourth Proportional to 28,237.52, 42,299.80 and 16,986.66

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Solution

The fourth proportional to 28,237.52, 42,299.80 and 16,986.66 is: 25,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.52 : 42,299.80 = 16,986.66 : x
  2. Step 2: Convert to fraction form
    28,237.52/42,299.80 = 16,986.66/x
  3. Step 3: Cross multiply
    28,237.52x = 42,299.80 × 16,986.66
  4. Step 4: Simplify right side
    28,237.52x = 718,532,320.67
  5. Step 5: Solve for x
    x = 718,532,320.67/28,237.52
  6. Step 6: Final answer
    x = 25,446.01

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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.