Home / 25,636.79-35,378.71-14,305.61

Finding the Fourth Proportional to 25,636.79, 35,378.71 and 14,305.61

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Solution

The fourth proportional to 25,636.79, 35,378.71 and 14,305.61 is: 19,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.79 : 35,378.71 = 14,305.61 : x
  2. Step 2: Convert to fraction form
    25,636.79/35,378.71 = 14,305.61/x
  3. Step 3: Cross multiply
    25,636.79x = 35,378.71 × 14,305.61
  4. Step 4: Simplify right side
    25,636.79x = 506,114,080.25
  5. Step 5: Solve for x
    x = 506,114,080.25/25,636.79
  6. Step 6: Final answer
    x = 19,741.71

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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.