Home / 25,733.20-35,518.80-15,126.24

Finding the Fourth Proportional to 25,733.20, 35,518.80 and 15,126.24

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Solution

The fourth proportional to 25,733.20, 35,518.80 and 15,126.24 is: 20,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.20 : 35,518.80 = 15,126.24 : x
  2. Step 2: Convert to fraction form
    25,733.20/35,518.80 = 15,126.24/x
  3. Step 3: Cross multiply
    25,733.20x = 35,518.80 × 15,126.24
  4. Step 4: Simplify right side
    25,733.20x = 537,265,893.31
  5. Step 5: Solve for x
    x = 537,265,893.31/25,733.20
  6. Step 6: Final answer
    x = 20,878.32

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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.