Home / 28,258.98-38,994.08-16,926.87

Finding the Fourth Proportional to 28,258.98, 38,994.08 and 16,926.87

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Solution

The fourth proportional to 28,258.98, 38,994.08 and 16,926.87 is: 23,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.98 : 38,994.08 = 16,926.87 : x
  2. Step 2: Convert to fraction form
    28,258.98/38,994.08 = 16,926.87/x
  3. Step 3: Cross multiply
    28,258.98x = 38,994.08 × 16,926.87
  4. Step 4: Simplify right side
    28,258.98x = 660,047,784.52
  5. Step 5: Solve for x
    x = 660,047,784.52/28,258.98
  6. Step 6: Final answer
    x = 23,357.10

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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.