Home / 28,245.51-42,376.77-25,459.11

Finding the Fourth Proportional to 28,245.51, 42,376.77 and 25,459.11

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Solution

The fourth proportional to 28,245.51, 42,376.77 and 25,459.11 is: 38,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.51 : 42,376.77 = 25,459.11 : x
  2. Step 2: Convert to fraction form
    28,245.51/42,376.77 = 25,459.11/x
  3. Step 3: Cross multiply
    28,245.51x = 42,376.77 × 25,459.11
  4. Step 4: Simplify right side
    28,245.51x = 1,078,874,848.87
  5. Step 5: Solve for x
    x = 1,078,874,848.87/28,245.51
  6. Step 6: Final answer
    x = 38,196.33

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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.