Home / 25,818.66-35,627.13-15,742.26

Finding the Fourth Proportional to 25,818.66, 35,627.13 and 15,742.26

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Solution

The fourth proportional to 25,818.66, 35,627.13 and 15,742.26 is: 21,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.66 : 35,627.13 = 15,742.26 : x
  2. Step 2: Convert to fraction form
    25,818.66/35,627.13 = 15,742.26/x
  3. Step 3: Cross multiply
    25,818.66x = 35,627.13 × 15,742.26
  4. Step 4: Simplify right side
    25,818.66x = 560,851,543.51
  5. Step 5: Solve for x
    x = 560,851,543.51/25,818.66
  6. Step 6: Final answer
    x = 21,722.72

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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.