Home / 28,477.48-42,716.23-22,228.13

Finding the Fourth Proportional to 28,477.48, 42,716.23 and 22,228.13

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Solution

The fourth proportional to 28,477.48, 42,716.23 and 22,228.13 is: 33,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477.48 : 42,716.23 = 22,228.13 : x
  2. Step 2: Convert to fraction form
    28,477.48/42,716.23 = 22,228.13/x
  3. Step 3: Cross multiply
    28,477.48x = 42,716.23 × 22,228.13
  4. Step 4: Simplify right side
    28,477.48x = 949,501,844.63
  5. Step 5: Solve for x
    x = 949,501,844.63/28,477.48
  6. Step 6: Final answer
    x = 33,342.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.