Home / 28,206.51-38,926.62-16,270.35

Finding the Fourth Proportional to 28,206.51, 38,926.62 and 16,270.35

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Solution

The fourth proportional to 28,206.51, 38,926.62 and 16,270.35 is: 22,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.51 : 38,926.62 = 16,270.35 : x
  2. Step 2: Convert to fraction form
    28,206.51/38,926.62 = 16,270.35/x
  3. Step 3: Cross multiply
    28,206.51x = 38,926.62 × 16,270.35
  4. Step 4: Simplify right side
    28,206.51x = 633,349,731.72
  5. Step 5: Solve for x
    x = 633,349,731.72/28,206.51
  6. Step 6: Final answer
    x = 22,454.03

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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.