Home / 35,397.28-53,095.92-13,209.76

Finding the Fourth Proportional to 35,397.28, 53,095.92 and 13,209.76

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Solution

The fourth proportional to 35,397.28, 53,095.92 and 13,209.76 is: 19,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.28 : 53,095.92 = 13,209.76 : x
  2. Step 2: Convert to fraction form
    35,397.28/53,095.92 = 13,209.76/x
  3. Step 3: Cross multiply
    35,397.28x = 53,095.92 × 13,209.76
  4. Step 4: Simplify right side
    35,397.28x = 701,384,360.18
  5. Step 5: Solve for x
    x = 701,384,360.18/35,397.28
  6. Step 6: Final answer
    x = 19,814.64

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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.