Home / 28,383.16-39,152.77-16,444.87

Finding the Fourth Proportional to 28,383.16, 39,152.77 and 16,444.87

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Solution

The fourth proportional to 28,383.16, 39,152.77 and 16,444.87 is: 22,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.16 : 39,152.77 = 16,444.87 : x
  2. Step 2: Convert to fraction form
    28,383.16/39,152.77 = 16,444.87/x
  3. Step 3: Cross multiply
    28,383.16x = 39,152.77 × 16,444.87
  4. Step 4: Simplify right side
    28,383.16x = 643,862,294.03
  5. Step 5: Solve for x
    x = 643,862,294.03/28,383.16
  6. Step 6: Final answer
    x = 22,684.66

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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.