Home / 25,440.16-38,162.06-6,720.01

Finding the Fourth Proportional to 25,440.16, 38,162.06 and 6,720.01

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Solution

The fourth proportional to 25,440.16, 38,162.06 and 6,720.01 is: 10,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.16 : 38,162.06 = 6,720.01 : x
  2. Step 2: Convert to fraction form
    25,440.16/38,162.06 = 6,720.01/x
  3. Step 3: Cross multiply
    25,440.16x = 38,162.06 × 6,720.01
  4. Step 4: Simplify right side
    25,440.16x = 256,449,346.22
  5. Step 5: Solve for x
    x = 256,449,346.22/25,440.16
  6. Step 6: Final answer
    x = 10,080.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.