Home / 28,522.68-39,360.54-15,601.46

Finding the Fourth Proportional to 28,522.68, 39,360.54 and 15,601.46

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Solution

The fourth proportional to 28,522.68, 39,360.54 and 15,601.46 is: 21,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.68 : 39,360.54 = 15,601.46 : x
  2. Step 2: Convert to fraction form
    28,522.68/39,360.54 = 15,601.46/x
  3. Step 3: Cross multiply
    28,522.68x = 39,360.54 × 15,601.46
  4. Step 4: Simplify right side
    28,522.68x = 614,081,890.39
  5. Step 5: Solve for x
    x = 614,081,890.39/28,522.68
  6. Step 6: Final answer
    x = 21,529.60

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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.