Home / 35,638.49-53,457.74-15,930.78

Finding the Fourth Proportional to 35,638.49, 53,457.74 and 15,930.78

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Solution

The fourth proportional to 35,638.49, 53,457.74 and 15,930.78 is: 23,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.49 : 53,457.74 = 15,930.78 : x
  2. Step 2: Convert to fraction form
    35,638.49/53,457.74 = 15,930.78/x
  3. Step 3: Cross multiply
    35,638.49x = 53,457.74 × 15,930.78
  4. Step 4: Simplify right side
    35,638.49x = 851,623,415.58
  5. Step 5: Solve for x
    x = 851,623,415.58/35,638.49
  6. Step 6: Final answer
    x = 23,896.17

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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.