Home / 28,607.63-39,480.14-16,033.19

Finding the Fourth Proportional to 28,607.63, 39,480.14 and 16,033.19

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Solution

The fourth proportional to 28,607.63, 39,480.14 and 16,033.19 is: 22,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.63 : 39,480.14 = 16,033.19 : x
  2. Step 2: Convert to fraction form
    28,607.63/39,480.14 = 16,033.19/x
  3. Step 3: Cross multiply
    28,607.63x = 39,480.14 × 16,033.19
  4. Step 4: Simplify right side
    28,607.63x = 632,992,428.53
  5. Step 5: Solve for x
    x = 632,992,428.53/28,607.63
  6. Step 6: Final answer
    x = 22,126.70

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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.