Home / 25,284.47-34,891.91-13,953.81

Finding the Fourth Proportional to 25,284.47, 34,891.91 and 13,953.81

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Solution

The fourth proportional to 25,284.47, 34,891.91 and 13,953.81 is: 19,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.47 : 34,891.91 = 13,953.81 : x
  2. Step 2: Convert to fraction form
    25,284.47/34,891.91 = 13,953.81/x
  3. Step 3: Cross multiply
    25,284.47x = 34,891.91 × 13,953.81
  4. Step 4: Simplify right side
    25,284.47x = 486,875,012.91
  5. Step 5: Solve for x
    x = 486,875,012.91/25,284.47
  6. Step 6: Final answer
    x = 19,255.90

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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.