Home / 16,031.36-22,157.76-14,128.40

Finding the Fourth Proportional to 16,031.36, 22,157.76 and 14,128.40

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Solution

The fourth proportional to 16,031.36, 22,157.76 and 14,128.40 is: 19,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.36 : 22,157.76 = 14,128.40 : x
  2. Step 2: Convert to fraction form
    16,031.36/22,157.76 = 14,128.40/x
  3. Step 3: Cross multiply
    16,031.36x = 22,157.76 × 14,128.40
  4. Step 4: Simplify right side
    16,031.36x = 313,053,696.38
  5. Step 5: Solve for x
    x = 313,053,696.38/16,031.36
  6. Step 6: Final answer
    x = 19,527.58

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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.