Home / 43,437.06-65,107.80-28,426.14

Finding the Fourth Proportional to 43,437.06, 65,107.80 and 28,426.14

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Solution

The fourth proportional to 43,437.06, 65,107.80 and 28,426.14 is: 42,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.06 : 65,107.80 = 28,426.14 : x
  2. Step 2: Convert to fraction form
    43,437.06/65,107.80 = 28,426.14/x
  3. Step 3: Cross multiply
    43,437.06x = 65,107.80 × 28,426.14
  4. Step 4: Simplify right side
    43,437.06x = 1,850,763,437.89
  5. Step 5: Solve for x
    x = 1,850,763,437.89/43,437.06
  6. Step 6: Final answer
    x = 42,607.94

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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.