Home / 25,944.32-35,803.20-15,339.20

Finding the Fourth Proportional to 25,944.32, 35,803.20 and 15,339.20

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Solution

The fourth proportional to 25,944.32, 35,803.20 and 15,339.20 is: 21,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.32 : 35,803.20 = 15,339.20 : x
  2. Step 2: Convert to fraction form
    25,944.32/35,803.20 = 15,339.20/x
  3. Step 3: Cross multiply
    25,944.32x = 35,803.20 × 15,339.20
  4. Step 4: Simplify right side
    25,944.32x = 549,192,445.44
  5. Step 5: Solve for x
    x = 549,192,445.44/25,944.32
  6. Step 6: Final answer
    x = 21,168.12

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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.