Home / 25,430.23-38,150.46-8,790.91

Finding the Fourth Proportional to 25,430.23, 38,150.46 and 8,790.91

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Solution

The fourth proportional to 25,430.23, 38,150.46 and 8,790.91 is: 13,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.23 : 38,150.46 = 8,790.91 : x
  2. Step 2: Convert to fraction form
    25,430.23/38,150.46 = 8,790.91/x
  3. Step 3: Cross multiply
    25,430.23x = 38,150.46 × 8,790.91
  4. Step 4: Simplify right side
    25,430.23x = 335,377,260.32
  5. Step 5: Solve for x
    x = 335,377,260.32/25,430.23
  6. Step 6: Final answer
    x = 13,188.13

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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.