Home / 28,370.81-42,555.57-7,594.31

Finding the Fourth Proportional to 28,370.81, 42,555.57 and 7,594.31

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Solution

The fourth proportional to 28,370.81, 42,555.57 and 7,594.31 is: 11,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.81 : 42,555.57 = 7,594.31 : x
  2. Step 2: Convert to fraction form
    28,370.81/42,555.57 = 7,594.31/x
  3. Step 3: Cross multiply
    28,370.81x = 42,555.57 × 7,594.31
  4. Step 4: Simplify right side
    28,370.81x = 323,180,190.81
  5. Step 5: Solve for x
    x = 323,180,190.81/28,370.81
  6. Step 6: Final answer
    x = 11,391.29

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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.