Home / 28,632.86-39,504.38-16,531.76

Finding the Fourth Proportional to 28,632.86, 39,504.38 and 16,531.76

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Solution

The fourth proportional to 28,632.86, 39,504.38 and 16,531.76 is: 22,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.86 : 39,504.38 = 16,531.76 : x
  2. Step 2: Convert to fraction form
    28,632.86/39,504.38 = 16,531.76/x
  3. Step 3: Cross multiply
    28,632.86x = 39,504.38 × 16,531.76
  4. Step 4: Simplify right side
    28,632.86x = 653,076,929.11
  5. Step 5: Solve for x
    x = 653,076,929.11/28,632.86
  6. Step 6: Final answer
    x = 22,808.65

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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.