Home / 35,407.78-53,130.30-15,699.94

Finding the Fourth Proportional to 35,407.78, 53,130.30 and 15,699.94

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Solution

The fourth proportional to 35,407.78, 53,130.30 and 15,699.94 is: 23,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.78 : 53,130.30 = 15,699.94 : x
  2. Step 2: Convert to fraction form
    35,407.78/53,130.30 = 15,699.94/x
  3. Step 3: Cross multiply
    35,407.78x = 53,130.30 × 15,699.94
  4. Step 4: Simplify right side
    35,407.78x = 834,142,522.18
  5. Step 5: Solve for x
    x = 834,142,522.18/35,407.78
  6. Step 6: Final answer
    x = 23,558.17

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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.