Home / 28,125.24-38,864.16-26,758.80

Finding the Fourth Proportional to 28,125.24, 38,864.16 and 26,758.80

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Solution

The fourth proportional to 28,125.24, 38,864.16 and 26,758.80 is: 36,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.24 : 38,864.16 = 26,758.80 : x
  2. Step 2: Convert to fraction form
    28,125.24/38,864.16 = 26,758.80/x
  3. Step 3: Cross multiply
    28,125.24x = 38,864.16 × 26,758.80
  4. Step 4: Simplify right side
    28,125.24x = 1,039,958,284.61
  5. Step 5: Solve for x
    x = 1,039,958,284.61/28,125.24
  6. Step 6: Final answer
    x = 36,975.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.