Home / 28,503.66-39,333.60-16,565.07

Finding the Fourth Proportional to 28,503.66, 39,333.60 and 16,565.07

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Solution

The fourth proportional to 28,503.66, 39,333.60 and 16,565.07 is: 22,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,503.66 : 39,333.60 = 16,565.07 : x
  2. Step 2: Convert to fraction form
    28,503.66/39,333.60 = 16,565.07/x
  3. Step 3: Cross multiply
    28,503.66x = 39,333.60 × 16,565.07
  4. Step 4: Simplify right side
    28,503.66x = 651,563,837.35
  5. Step 5: Solve for x
    x = 651,563,837.35/28,503.66
  6. Step 6: Final answer
    x = 22,858.95

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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.