Home / 28,236.74-42,314.27-15,588.99

Finding the Fourth Proportional to 28,236.74, 42,314.27 and 15,588.99

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Solution

The fourth proportional to 28,236.74, 42,314.27 and 15,588.99 is: 23,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.74 : 42,314.27 = 15,588.99 : x
  2. Step 2: Convert to fraction form
    28,236.74/42,314.27 = 15,588.99/x
  3. Step 3: Cross multiply
    28,236.74x = 42,314.27 × 15,588.99
  4. Step 4: Simplify right side
    28,236.74x = 659,636,653.94
  5. Step 5: Solve for x
    x = 659,636,653.94/28,236.74
  6. Step 6: Final answer
    x = 23,360.94

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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.