Home / 28,559.79-39,374.71-23,436.54

Finding the Fourth Proportional to 28,559.79, 39,374.71 and 23,436.54

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Solution

The fourth proportional to 28,559.79, 39,374.71 and 23,436.54 is: 32,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.79 : 39,374.71 = 23,436.54 : x
  2. Step 2: Convert to fraction form
    28,559.79/39,374.71 = 23,436.54/x
  3. Step 3: Cross multiply
    28,559.79x = 39,374.71 × 23,436.54
  4. Step 4: Simplify right side
    28,559.79x = 922,806,907.31
  5. Step 5: Solve for x
    x = 922,806,907.31/28,559.79
  6. Step 6: Final answer
    x = 32,311.40

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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.