Home / 28,623.40-42,926.90-9,645.97

Finding the Fourth Proportional to 28,623.40, 42,926.90 and 9,645.97

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Solution

The fourth proportional to 28,623.40, 42,926.90 and 9,645.97 is: 14,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.40 : 42,926.90 = 9,645.97 : x
  2. Step 2: Convert to fraction form
    28,623.40/42,926.90 = 9,645.97/x
  3. Step 3: Cross multiply
    28,623.40x = 42,926.90 × 9,645.97
  4. Step 4: Simplify right side
    28,623.40x = 414,071,541.36
  5. Step 5: Solve for x
    x = 414,071,541.36/28,623.40
  6. Step 6: Final answer
    x = 14,466.19

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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.