Home / 28,507.93-39,347.19-16,578.15

Finding the Fourth Proportional to 28,507.93, 39,347.19 and 16,578.15

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Solution

The fourth proportional to 28,507.93, 39,347.19 and 16,578.15 is: 22,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.93 : 39,347.19 = 16,578.15 : x
  2. Step 2: Convert to fraction form
    28,507.93/39,347.19 = 16,578.15/x
  3. Step 3: Cross multiply
    28,507.93x = 39,347.19 × 16,578.15
  4. Step 4: Simplify right side
    28,507.93x = 652,303,738.30
  5. Step 5: Solve for x
    x = 652,303,738.30/28,507.93
  6. Step 6: Final answer
    x = 22,881.48

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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.