Home / 25,169.84-34,720.71-15,606.50

Finding the Fourth Proportional to 25,169.84, 34,720.71 and 15,606.50

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Solution

The fourth proportional to 25,169.84, 34,720.71 and 15,606.50 is: 21,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.84 : 34,720.71 = 15,606.50 : x
  2. Step 2: Convert to fraction form
    25,169.84/34,720.71 = 15,606.50/x
  3. Step 3: Cross multiply
    25,169.84x = 34,720.71 × 15,606.50
  4. Step 4: Simplify right side
    25,169.84x = 541,868,587.01
  5. Step 5: Solve for x
    x = 541,868,587.01/25,169.84
  6. Step 6: Final answer
    x = 21,528.49

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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.