Home / 28,446.24-42,669.72-13,652.40

Finding the Fourth Proportional to 28,446.24, 42,669.72 and 13,652.40

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Solution

The fourth proportional to 28,446.24, 42,669.72 and 13,652.40 is: 20,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.24 : 42,669.72 = 13,652.40 : x
  2. Step 2: Convert to fraction form
    28,446.24/42,669.72 = 13,652.40/x
  3. Step 3: Cross multiply
    28,446.24x = 42,669.72 × 13,652.40
  4. Step 4: Simplify right side
    28,446.24x = 582,544,085.33
  5. Step 5: Solve for x
    x = 582,544,085.33/28,446.24
  6. Step 6: Final answer
    x = 20,478.77

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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.