Home / 28,586.84-42,919.53-14,556.29

Finding the Fourth Proportional to 28,586.84, 42,919.53 and 14,556.29

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Solution

The fourth proportional to 28,586.84, 42,919.53 and 14,556.29 is: 21,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.84 : 42,919.53 = 14,556.29 : x
  2. Step 2: Convert to fraction form
    28,586.84/42,919.53 = 14,556.29/x
  3. Step 3: Cross multiply
    28,586.84x = 42,919.53 × 14,556.29
  4. Step 4: Simplify right side
    28,586.84x = 624,749,232.64
  5. Step 5: Solve for x
    x = 624,749,232.64/28,586.84
  6. Step 6: Final answer
    x = 21,854.43

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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.