Home / 25,615.84-38,443.23-12,476.56

Finding the Fourth Proportional to 25,615.84, 38,443.23 and 12,476.56

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Solution

The fourth proportional to 25,615.84, 38,443.23 and 12,476.56 is: 18,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.84 : 38,443.23 = 12,476.56 : x
  2. Step 2: Convert to fraction form
    25,615.84/38,443.23 = 12,476.56/x
  3. Step 3: Cross multiply
    25,615.84x = 38,443.23 × 12,476.56
  4. Step 4: Simplify right side
    25,615.84x = 479,639,265.69
  5. Step 5: Solve for x
    x = 479,639,265.69/25,615.84
  6. Step 6: Final answer
    x = 18,724.32

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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.