Home / 28,827.16-39,779.58-16,251.64

Finding the Fourth Proportional to 28,827.16, 39,779.58 and 16,251.64

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Solution

The fourth proportional to 28,827.16, 39,779.58 and 16,251.64 is: 22,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.16 : 39,779.58 = 16,251.64 : x
  2. Step 2: Convert to fraction form
    28,827.16/39,779.58 = 16,251.64/x
  3. Step 3: Cross multiply
    28,827.16x = 39,779.58 × 16,251.64
  4. Step 4: Simplify right side
    28,827.16x = 646,483,413.51
  5. Step 5: Solve for x
    x = 646,483,413.51/28,827.16
  6. Step 6: Final answer
    x = 22,426.19

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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.