Home / 28,353.62-39,125.45-16,417.77

Finding the Fourth Proportional to 28,353.62, 39,125.45 and 16,417.77

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Solution

The fourth proportional to 28,353.62, 39,125.45 and 16,417.77 is: 22,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.62 : 39,125.45 = 16,417.77 : x
  2. Step 2: Convert to fraction form
    28,353.62/39,125.45 = 16,417.77/x
  3. Step 3: Cross multiply
    28,353.62x = 39,125.45 × 16,417.77
  4. Step 4: Simplify right side
    28,353.62x = 642,352,443.62
  5. Step 5: Solve for x
    x = 642,352,443.62/28,353.62
  6. Step 6: Final answer
    x = 22,655.04

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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.