Home / 89,617.36-134,426.04-27,288.40

Finding the Fourth Proportional to 89,617.36, 134,426.04 and 27,288.40

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Solution

The fourth proportional to 89,617.36, 134,426.04 and 27,288.40 is: 40,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.36 : 134,426.04 = 27,288.40 : x
  2. Step 2: Convert to fraction form
    89,617.36/134,426.04 = 27,288.40/x
  3. Step 3: Cross multiply
    89,617.36x = 134,426.04 × 27,288.40
  4. Step 4: Simplify right side
    89,617.36x = 3,668,271,549.94
  5. Step 5: Solve for x
    x = 3,668,271,549.94/89,617.36
  6. Step 6: Final answer
    x = 40,932.60

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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.