Home / 28,586.75-42,894.75-13,610.81

Finding the Fourth Proportional to 28,586.75, 42,894.75 and 13,610.81

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Solution

The fourth proportional to 28,586.75, 42,894.75 and 13,610.81 is: 20,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.75 : 42,894.75 = 13,610.81 : x
  2. Step 2: Convert to fraction form
    28,586.75/42,894.75 = 13,610.81/x
  3. Step 3: Cross multiply
    28,586.75x = 42,894.75 × 13,610.81
  4. Step 4: Simplify right side
    28,586.75x = 583,832,077.77
  5. Step 5: Solve for x
    x = 583,832,077.77/28,586.75
  6. Step 6: Final answer
    x = 20,423.17

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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.