Home / 26,271.64-39,376.33-13,784.88

Finding the Fourth Proportional to 26,271.64, 39,376.33 and 13,784.88

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Solution

The fourth proportional to 26,271.64, 39,376.33 and 13,784.88 is: 20,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.64 : 39,376.33 = 13,784.88 : x
  2. Step 2: Convert to fraction form
    26,271.64/39,376.33 = 13,784.88/x
  3. Step 3: Cross multiply
    26,271.64x = 39,376.33 × 13,784.88
  4. Step 4: Simplify right side
    26,271.64x = 542,798,097.09
  5. Step 5: Solve for x
    x = 542,798,097.09/26,271.64
  6. Step 6: Final answer
    x = 20,660.99

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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.