Home / 28,561.86-39,411.63-16,627.32

Finding the Fourth Proportional to 28,561.86, 39,411.63 and 16,627.32

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Solution

The fourth proportional to 28,561.86, 39,411.63 and 16,627.32 is: 22,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.86 : 39,411.63 = 16,627.32 : x
  2. Step 2: Convert to fraction form
    28,561.86/39,411.63 = 16,627.32/x
  3. Step 3: Cross multiply
    28,561.86x = 39,411.63 × 16,627.32
  4. Step 4: Simplify right side
    28,561.86x = 655,309,783.73
  5. Step 5: Solve for x
    x = 655,309,783.73/28,561.86
  6. Step 6: Final answer
    x = 22,943.53

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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.