Home / 28,431.26-42,624.87-19,056.26

Finding the Fourth Proportional to 28,431.26, 42,624.87 and 19,056.26

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Solution

The fourth proportional to 28,431.26, 42,624.87 and 19,056.26 is: 28,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431.26 : 42,624.87 = 19,056.26 : x
  2. Step 2: Convert to fraction form
    28,431.26/42,624.87 = 19,056.26/x
  3. Step 3: Cross multiply
    28,431.26x = 42,624.87 × 19,056.26
  4. Step 4: Simplify right side
    28,431.26x = 812,270,605.19
  5. Step 5: Solve for x
    x = 812,270,605.19/28,431.26
  6. Step 6: Final answer
    x = 28,569.63

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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.