Home / 25,365.78-34,999.56-17,405.10

Finding the Fourth Proportional to 25,365.78, 34,999.56 and 17,405.10

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Solution

The fourth proportional to 25,365.78, 34,999.56 and 17,405.10 is: 24,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.78 : 34,999.56 = 17,405.10 : x
  2. Step 2: Convert to fraction form
    25,365.78/34,999.56 = 17,405.10/x
  3. Step 3: Cross multiply
    25,365.78x = 34,999.56 × 17,405.10
  4. Step 4: Simplify right side
    25,365.78x = 609,170,841.76
  5. Step 5: Solve for x
    x = 609,170,841.76/25,365.78
  6. Step 6: Final answer
    x = 24,015.46

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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.