Home / 20,748.64-31,126.23-10,750.27

Finding the Fourth Proportional to 20,748.64, 31,126.23 and 10,750.27

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Solution

The fourth proportional to 20,748.64, 31,126.23 and 10,750.27 is: 16,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748.64 : 31,126.23 = 10,750.27 : x
  2. Step 2: Convert to fraction form
    20,748.64/31,126.23 = 10,750.27/x
  3. Step 3: Cross multiply
    20,748.64x = 31,126.23 × 10,750.27
  4. Step 4: Simplify right side
    20,748.64x = 334,615,298.77
  5. Step 5: Solve for x
    x = 334,615,298.77/20,748.64
  6. Step 6: Final answer
    x = 16,127.10

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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.