Home / 35,639.12-53,423.40-16,886

Finding the Fourth Proportional to 35,639.12, 53,423.40 and 16,886

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Solution

The fourth proportional to 35,639.12, 53,423.40 and 16,886 is: 25,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.12 : 53,423.40 = 16,886 : x
  2. Step 2: Convert to fraction form
    35,639.12/53,423.40 = 16,886/x
  3. Step 3: Cross multiply
    35,639.12x = 53,423.40 × 16,886
  4. Step 4: Simplify right side
    35,639.12x = 902,107,532.40
  5. Step 5: Solve for x
    x = 902,107,532.40/35,639.12
  6. Step 6: Final answer
    x = 25,312.28

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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.