Home / 28,405.03-42,560.46-17,278.06

Finding the Fourth Proportional to 28,405.03, 42,560.46 and 17,278.06

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Solution

The fourth proportional to 28,405.03, 42,560.46 and 17,278.06 is: 25,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.03 : 42,560.46 = 17,278.06 : x
  2. Step 2: Convert to fraction form
    28,405.03/42,560.46 = 17,278.06/x
  3. Step 3: Cross multiply
    28,405.03x = 42,560.46 × 17,278.06
  4. Step 4: Simplify right side
    28,405.03x = 735,362,181.51
  5. Step 5: Solve for x
    x = 735,362,181.51/28,405.03
  6. Step 6: Final answer
    x = 25,888.45

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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.