Home / 28,210.54-42,317.43-7,433.50

Finding the Fourth Proportional to 28,210.54, 42,317.43 and 7,433.50

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Solution

The fourth proportional to 28,210.54, 42,317.43 and 7,433.50 is: 11,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.54 : 42,317.43 = 7,433.50 : x
  2. Step 2: Convert to fraction form
    28,210.54/42,317.43 = 7,433.50/x
  3. Step 3: Cross multiply
    28,210.54x = 42,317.43 × 7,433.50
  4. Step 4: Simplify right side
    28,210.54x = 314,566,615.91
  5. Step 5: Solve for x
    x = 314,566,615.91/28,210.54
  6. Step 6: Final answer
    x = 11,150.68

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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.