Home / 28,219.59-42,325.07-7,444.71

Finding the Fourth Proportional to 28,219.59, 42,325.07 and 7,444.71

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Solution

The fourth proportional to 28,219.59, 42,325.07 and 7,444.71 is: 11,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.59 : 42,325.07 = 7,444.71 : x
  2. Step 2: Convert to fraction form
    28,219.59/42,325.07 = 7,444.71/x
  3. Step 3: Cross multiply
    28,219.59x = 42,325.07 × 7,444.71
  4. Step 4: Simplify right side
    28,219.59x = 315,097,834.66
  5. Step 5: Solve for x
    x = 315,097,834.66/28,219.59
  6. Step 6: Final answer
    x = 11,165.93

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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.