Home / 26,143.28-38,938.18-26,015.84

Finding the Fourth Proportional to 26,143.28, 38,938.18 and 26,015.84

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Solution

The fourth proportional to 26,143.28, 38,938.18 and 26,015.84 is: 38,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.28 : 38,938.18 = 26,015.84 : x
  2. Step 2: Convert to fraction form
    26,143.28/38,938.18 = 26,015.84/x
  3. Step 3: Cross multiply
    26,143.28x = 38,938.18 × 26,015.84
  4. Step 4: Simplify right side
    26,143.28x = 1,013,009,460.77
  5. Step 5: Solve for x
    x = 1,013,009,460.77/26,143.28
  6. Step 6: Final answer
    x = 38,748.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.