Home / 23,186.16-31,988.52-15,232.68

Finding the Fourth Proportional to 23,186.16, 31,988.52 and 15,232.68

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Solution

The fourth proportional to 23,186.16, 31,988.52 and 15,232.68 is: 21,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.16 : 31,988.52 = 15,232.68 : x
  2. Step 2: Convert to fraction form
    23,186.16/31,988.52 = 15,232.68/x
  3. Step 3: Cross multiply
    23,186.16x = 31,988.52 × 15,232.68
  4. Step 4: Simplify right side
    23,186.16x = 487,270,888.83
  5. Step 5: Solve for x
    x = 487,270,888.83/23,186.16
  6. Step 6: Final answer
    x = 21,015.59

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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.