Home / 35,727.40-53,560.86-13,528.54

Finding the Fourth Proportional to 35,727.40, 53,560.86 and 13,528.54

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Solution

The fourth proportional to 35,727.40, 53,560.86 and 13,528.54 is: 20,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.40 : 53,560.86 = 13,528.54 : x
  2. Step 2: Convert to fraction form
    35,727.40/53,560.86 = 13,528.54/x
  3. Step 3: Cross multiply
    35,727.40x = 53,560.86 × 13,528.54
  4. Step 4: Simplify right side
    35,727.40x = 724,600,236.94
  5. Step 5: Solve for x
    x = 724,600,236.94/35,727.40
  6. Step 6: Final answer
    x = 20,281.36

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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.