Home / 28,586.79-42,894.83-13,610.86

Finding the Fourth Proportional to 28,586.79, 42,894.83 and 13,610.86

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Solution

The fourth proportional to 28,586.79, 42,894.83 and 13,610.86 is: 20,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.79 : 42,894.83 = 13,610.86 : x
  2. Step 2: Convert to fraction form
    28,586.79/42,894.83 = 13,610.86/x
  3. Step 3: Cross multiply
    28,586.79x = 42,894.83 × 13,610.86
  4. Step 4: Simplify right side
    28,586.79x = 583,835,525.85
  5. Step 5: Solve for x
    x = 583,835,525.85/28,586.79
  6. Step 6: Final answer
    x = 20,423.26

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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.