Home / 28,525.56-39,360.49-16,589.40

Finding the Fourth Proportional to 28,525.56, 39,360.49 and 16,589.40

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Solution

The fourth proportional to 28,525.56, 39,360.49 and 16,589.40 is: 22,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.56 : 39,360.49 = 16,589.40 : x
  2. Step 2: Convert to fraction form
    28,525.56/39,360.49 = 16,589.40/x
  3. Step 3: Cross multiply
    28,525.56x = 39,360.49 × 16,589.40
  4. Step 4: Simplify right side
    28,525.56x = 652,966,912.81
  5. Step 5: Solve for x
    x = 652,966,912.81/28,525.56
  6. Step 6: Final answer
    x = 22,890.59

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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.