Home / 28,454.01-39,225.73-22,393.75

Finding the Fourth Proportional to 28,454.01, 39,225.73 and 22,393.75

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Solution

The fourth proportional to 28,454.01, 39,225.73 and 22,393.75 is: 30,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.01 : 39,225.73 = 22,393.75 : x
  2. Step 2: Convert to fraction form
    28,454.01/39,225.73 = 22,393.75/x
  3. Step 3: Cross multiply
    28,454.01x = 39,225.73 × 22,393.75
  4. Step 4: Simplify right side
    28,454.01x = 878,411,191.19
  5. Step 5: Solve for x
    x = 878,411,191.19/28,454.01
  6. Step 6: Final answer
    x = 30,871.26

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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.