Home / 25,688.07-38,533.19-8,157.51

Finding the Fourth Proportional to 25,688.07, 38,533.19 and 8,157.51

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Solution

The fourth proportional to 25,688.07, 38,533.19 and 8,157.51 is: 12,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.07 : 38,533.19 = 8,157.51 : x
  2. Step 2: Convert to fraction form
    25,688.07/38,533.19 = 8,157.51/x
  3. Step 3: Cross multiply
    25,688.07x = 38,533.19 × 8,157.51
  4. Step 4: Simplify right side
    25,688.07x = 314,334,841.97
  5. Step 5: Solve for x
    x = 314,334,841.97/25,688.07
  6. Step 6: Final answer
    x = 12,236.61

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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.