Home / 25,619.69-35,340.98-15,007.28

Finding the Fourth Proportional to 25,619.69, 35,340.98 and 15,007.28

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Solution

The fourth proportional to 25,619.69, 35,340.98 and 15,007.28 is: 20,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.69 : 35,340.98 = 15,007.28 : x
  2. Step 2: Convert to fraction form
    25,619.69/35,340.98 = 15,007.28/x
  3. Step 3: Cross multiply
    25,619.69x = 35,340.98 × 15,007.28
  4. Step 4: Simplify right side
    25,619.69x = 530,371,730.59
  5. Step 5: Solve for x
    x = 530,371,730.59/25,619.69
  6. Step 6: Final answer
    x = 20,701.72

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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.