Home / 28,802.38-39,747.58-16,056.68

Finding the Fourth Proportional to 28,802.38, 39,747.58 and 16,056.68

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Solution

The fourth proportional to 28,802.38, 39,747.58 and 16,056.68 is: 22,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.38 : 39,747.58 = 16,056.68 : x
  2. Step 2: Convert to fraction form
    28,802.38/39,747.58 = 16,056.68/x
  3. Step 3: Cross multiply
    28,802.38x = 39,747.58 × 16,056.68
  4. Step 4: Simplify right side
    28,802.38x = 638,214,172.83
  5. Step 5: Solve for x
    x = 638,214,172.83/28,802.38
  6. Step 6: Final answer
    x = 22,158.38

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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.