Home / 25,128.93-34,675.46-14,518.34

Finding the Fourth Proportional to 25,128.93, 34,675.46 and 14,518.34

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Solution

The fourth proportional to 25,128.93, 34,675.46 and 14,518.34 is: 20,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.93 : 34,675.46 = 14,518.34 : x
  2. Step 2: Convert to fraction form
    25,128.93/34,675.46 = 14,518.34/x
  3. Step 3: Cross multiply
    25,128.93x = 34,675.46 × 14,518.34
  4. Step 4: Simplify right side
    25,128.93x = 503,429,871.97
  5. Step 5: Solve for x
    x = 503,429,871.97/25,128.93
  6. Step 6: Final answer
    x = 20,033.88

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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.