Home / 26,903.84-40,393.20-13,765.28

Finding the Fourth Proportional to 26,903.84, 40,393.20 and 13,765.28

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Solution

The fourth proportional to 26,903.84, 40,393.20 and 13,765.28 is: 20,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,903.84 : 40,393.20 = 13,765.28 : x
  2. Step 2: Convert to fraction form
    26,903.84/40,393.20 = 13,765.28/x
  3. Step 3: Cross multiply
    26,903.84x = 40,393.20 × 13,765.28
  4. Step 4: Simplify right side
    26,903.84x = 556,023,708.10
  5. Step 5: Solve for x
    x = 556,023,708.10/26,903.84
  6. Step 6: Final answer
    x = 20,667.08

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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.