Home / 35,815.24-53,746.18-13,628.80

Finding the Fourth Proportional to 35,815.24, 53,746.18 and 13,628.80

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Solution

The fourth proportional to 35,815.24, 53,746.18 and 13,628.80 is: 20,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.24 : 53,746.18 = 13,628.80 : x
  2. Step 2: Convert to fraction form
    35,815.24/53,746.18 = 13,628.80/x
  3. Step 3: Cross multiply
    35,815.24x = 53,746.18 × 13,628.80
  4. Step 4: Simplify right side
    35,815.24x = 732,495,937.98
  5. Step 5: Solve for x
    x = 732,495,937.98/35,815.24
  6. Step 6: Final answer
    x = 20,452.07

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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.