Home / 27,902.16-38,510.64-17,142.12

Finding the Fourth Proportional to 27,902.16, 38,510.64 and 17,142.12

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Solution

The fourth proportional to 27,902.16, 38,510.64 and 17,142.12 is: 23,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.16 : 38,510.64 = 17,142.12 : x
  2. Step 2: Convert to fraction form
    27,902.16/38,510.64 = 17,142.12/x
  3. Step 3: Cross multiply
    27,902.16x = 38,510.64 × 17,142.12
  4. Step 4: Simplify right side
    27,902.16x = 660,154,012.16
  5. Step 5: Solve for x
    x = 660,154,012.16/27,902.16
  6. Step 6: Final answer
    x = 23,659.60

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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.