Home / 43,520.84-65,269.28-15,437.16

Finding the Fourth Proportional to 43,520.84, 65,269.28 and 15,437.16

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Solution

The fourth proportional to 43,520.84, 65,269.28 and 15,437.16 is: 23,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,520.84 : 65,269.28 = 15,437.16 : x
  2. Step 2: Convert to fraction form
    43,520.84/65,269.28 = 15,437.16/x
  3. Step 3: Cross multiply
    43,520.84x = 65,269.28 × 15,437.16
  4. Step 4: Simplify right side
    43,520.84x = 1,007,572,318.44
  5. Step 5: Solve for x
    x = 1,007,572,318.44/43,520.84
  6. Step 6: Final answer
    x = 23,151.49

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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.