Home / 25,274.81-34,880.27-13,945.61

Finding the Fourth Proportional to 25,274.81, 34,880.27 and 13,945.61

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Solution

The fourth proportional to 25,274.81, 34,880.27 and 13,945.61 is: 19,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.81 : 34,880.27 = 13,945.61 : x
  2. Step 2: Convert to fraction form
    25,274.81/34,880.27 = 13,945.61/x
  3. Step 3: Cross multiply
    25,274.81x = 34,880.27 × 13,945.61
  4. Step 4: Simplify right side
    25,274.81x = 486,426,642.11
  5. Step 5: Solve for x
    x = 486,426,642.11/25,274.81
  6. Step 6: Final answer
    x = 19,245.51

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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.