Home / 26,319.25-39,479.28-7,851.25

Finding the Fourth Proportional to 26,319.25, 39,479.28 and 7,851.25

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Solution

The fourth proportional to 26,319.25, 39,479.28 and 7,851.25 is: 11,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.25 : 39,479.28 = 7,851.25 : x
  2. Step 2: Convert to fraction form
    26,319.25/39,479.28 = 7,851.25/x
  3. Step 3: Cross multiply
    26,319.25x = 39,479.28 × 7,851.25
  4. Step 4: Simplify right side
    26,319.25x = 309,961,697.10
  5. Step 5: Solve for x
    x = 309,961,697.10/26,319.25
  6. Step 6: Final answer
    x = 11,777.00

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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.