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Finding the Fourth Proportional to 35,570.62, 53,362.05 and 15,848.74

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Solution

The fourth proportional to 35,570.62, 53,362.05 and 15,848.74 is: 23,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.62 : 53,362.05 = 15,848.74 : x
  2. Step 2: Convert to fraction form
    35,570.62/53,362.05 = 15,848.74/x
  3. Step 3: Cross multiply
    35,570.62x = 53,362.05 × 15,848.74
  4. Step 4: Simplify right side
    35,570.62x = 845,721,256.32
  5. Step 5: Solve for x
    x = 845,721,256.32/35,570.62
  6. Step 6: Final answer
    x = 23,775.84

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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.