Home / 39,238.72-58,860.96-15,864.64

Finding the Fourth Proportional to 39,238.72, 58,860.96 and 15,864.64

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Solution

The fourth proportional to 39,238.72, 58,860.96 and 15,864.64 is: 23,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.72 : 58,860.96 = 15,864.64 : x
  2. Step 2: Convert to fraction form
    39,238.72/58,860.96 = 15,864.64/x
  3. Step 3: Cross multiply
    39,238.72x = 58,860.96 × 15,864.64
  4. Step 4: Simplify right side
    39,238.72x = 933,807,940.45
  5. Step 5: Solve for x
    x = 933,807,940.45/39,238.72
  6. Step 6: Final answer
    x = 23,798.12

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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.