Home / 25,675.80-35,429.08-14,343.88

Finding the Fourth Proportional to 25,675.80, 35,429.08 and 14,343.88

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Solution

The fourth proportional to 25,675.80, 35,429.08 and 14,343.88 is: 19,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.80 : 35,429.08 = 14,343.88 : x
  2. Step 2: Convert to fraction form
    25,675.80/35,429.08 = 14,343.88/x
  3. Step 3: Cross multiply
    25,675.80x = 35,429.08 × 14,343.88
  4. Step 4: Simplify right side
    25,675.80x = 508,190,472.03
  5. Step 5: Solve for x
    x = 508,190,472.03/25,675.80
  6. Step 6: Final answer
    x = 19,792.59

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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.