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Finding the Fourth Proportional to 35,830.60, 53,726.70 and 15,030.60

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Solution

The fourth proportional to 35,830.60, 53,726.70 and 15,030.60 is: 22,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,830.60 : 53,726.70 = 15,030.60 : x
  2. Step 2: Convert to fraction form
    35,830.60/53,726.70 = 15,030.60/x
  3. Step 3: Cross multiply
    35,830.60x = 53,726.70 × 15,030.60
  4. Step 4: Simplify right side
    35,830.60x = 807,544,537.02
  5. Step 5: Solve for x
    x = 807,544,537.02/35,830.60
  6. Step 6: Final answer
    x = 22,537.85

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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.