Home / 39,628.72-59,426.88-17,140.69

Finding the Fourth Proportional to 39,628.72, 59,426.88 and 17,140.69

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Solution

The fourth proportional to 39,628.72, 59,426.88 and 17,140.69 is: 25,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.72 : 59,426.88 = 17,140.69 : x
  2. Step 2: Convert to fraction form
    39,628.72/59,426.88 = 17,140.69/x
  3. Step 3: Cross multiply
    39,628.72x = 59,426.88 × 17,140.69
  4. Step 4: Simplify right side
    39,628.72x = 1,018,617,727.75
  5. Step 5: Solve for x
    x = 1,018,617,727.75/39,628.72
  6. Step 6: Final answer
    x = 25,704.03

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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.