Home / 26,152.08-39,220.80-7,430.64

Finding the Fourth Proportional to 26,152.08, 39,220.80 and 7,430.64

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Solution

The fourth proportional to 26,152.08, 39,220.80 and 7,430.64 is: 11,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,152.08 : 39,220.80 = 7,430.64 : x
  2. Step 2: Convert to fraction form
    26,152.08/39,220.80 = 7,430.64/x
  3. Step 3: Cross multiply
    26,152.08x = 39,220.80 × 7,430.64
  4. Step 4: Simplify right side
    26,152.08x = 291,435,645.31
  5. Step 5: Solve for x
    x = 291,435,645.31/26,152.08
  6. Step 6: Final answer
    x = 11,143.88

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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.