Home / 28,583.92-39,463.32-22,639.60

Finding the Fourth Proportional to 28,583.92, 39,463.32 and 22,639.60

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Solution

The fourth proportional to 28,583.92, 39,463.32 and 22,639.60 is: 31,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.92 : 39,463.32 = 22,639.60 : x
  2. Step 2: Convert to fraction form
    28,583.92/39,463.32 = 22,639.60/x
  3. Step 3: Cross multiply
    28,583.92x = 39,463.32 × 22,639.60
  4. Step 4: Simplify right side
    28,583.92x = 893,433,779.47
  5. Step 5: Solve for x
    x = 893,433,779.47/28,583.92
  6. Step 6: Final answer
    x = 31,256.52

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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.