Home / 26,390.46-36,419.40-14,454.30

Finding the Fourth Proportional to 26,390.46, 36,419.40 and 14,454.30

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Solution

The fourth proportional to 26,390.46, 36,419.40 and 14,454.30 is: 19,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.46 : 36,419.40 = 14,454.30 : x
  2. Step 2: Convert to fraction form
    26,390.46/36,419.40 = 14,454.30/x
  3. Step 3: Cross multiply
    26,390.46x = 36,419.40 × 14,454.30
  4. Step 4: Simplify right side
    26,390.46x = 526,416,933.42
  5. Step 5: Solve for x
    x = 526,416,933.42/26,390.46
  6. Step 6: Final answer
    x = 19,947.24

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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.