Home / 28,352.62-39,124.07-16,416.77

Finding the Fourth Proportional to 28,352.62, 39,124.07 and 16,416.77

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Solution

The fourth proportional to 28,352.62, 39,124.07 and 16,416.77 is: 22,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.62 : 39,124.07 = 16,416.77 : x
  2. Step 2: Convert to fraction form
    28,352.62/39,124.07 = 16,416.77/x
  3. Step 3: Cross multiply
    28,352.62x = 39,124.07 × 16,416.77
  4. Step 4: Simplify right side
    28,352.62x = 642,290,663.03
  5. Step 5: Solve for x
    x = 642,290,663.03/28,352.62
  6. Step 6: Final answer
    x = 22,653.66

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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.