Home / 25,446.91-35,112.18-15,368.58

Finding the Fourth Proportional to 25,446.91, 35,112.18 and 15,368.58

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Solution

The fourth proportional to 25,446.91, 35,112.18 and 15,368.58 is: 21,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.91 : 35,112.18 = 15,368.58 : x
  2. Step 2: Convert to fraction form
    25,446.91/35,112.18 = 15,368.58/x
  3. Step 3: Cross multiply
    25,446.91x = 35,112.18 × 15,368.58
  4. Step 4: Simplify right side
    25,446.91x = 539,624,347.30
  5. Step 5: Solve for x
    x = 539,624,347.30/25,446.91
  6. Step 6: Final answer
    x = 21,205.89

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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.