Home / 28,541.93-42,819.28-13,763.28

Finding the Fourth Proportional to 28,541.93, 42,819.28 and 13,763.28

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Solution

The fourth proportional to 28,541.93, 42,819.28 and 13,763.28 is: 20,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.93 : 42,819.28 = 13,763.28 : x
  2. Step 2: Convert to fraction form
    28,541.93/42,819.28 = 13,763.28/x
  3. Step 3: Cross multiply
    28,541.93x = 42,819.28 × 13,763.28
  4. Step 4: Simplify right side
    28,541.93x = 589,333,705.63
  5. Step 5: Solve for x
    x = 589,333,705.63/28,541.93
  6. Step 6: Final answer
    x = 20,648.00

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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.