Home / 39,289.08-58,940.10-15,931.56

Finding the Fourth Proportional to 39,289.08, 58,940.10 and 15,931.56

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Solution

The fourth proportional to 39,289.08, 58,940.10 and 15,931.56 is: 23,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.08 : 58,940.10 = 15,931.56 : x
  2. Step 2: Convert to fraction form
    39,289.08/58,940.10 = 15,931.56/x
  3. Step 3: Cross multiply
    39,289.08x = 58,940.10 × 15,931.56
  4. Step 4: Simplify right side
    39,289.08x = 939,007,739.56
  5. Step 5: Solve for x
    x = 939,007,739.56/39,289.08
  6. Step 6: Final answer
    x = 23,899.97

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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.