Home / 39,015.25-58,513.08-10,928.04

Finding the Fourth Proportional to 39,015.25, 58,513.08 and 10,928.04

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Solution

The fourth proportional to 39,015.25, 58,513.08 and 10,928.04 is: 16,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.25 : 58,513.08 = 10,928.04 : x
  2. Step 2: Convert to fraction form
    39,015.25/58,513.08 = 10,928.04/x
  3. Step 3: Cross multiply
    39,015.25x = 58,513.08 × 10,928.04
  4. Step 4: Simplify right side
    39,015.25x = 639,433,278.76
  5. Step 5: Solve for x
    x = 639,433,278.76/39,015.25
  6. Step 6: Final answer
    x = 16,389.32

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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.