Home / 53,217.13-79,826.01-15,777.53

Finding the Fourth Proportional to 53,217.13, 79,826.01 and 15,777.53

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Solution

The fourth proportional to 53,217.13, 79,826.01 and 15,777.53 is: 23,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.13 : 79,826.01 = 15,777.53 : x
  2. Step 2: Convert to fraction form
    53,217.13/79,826.01 = 15,777.53/x
  3. Step 3: Cross multiply
    53,217.13x = 79,826.01 × 15,777.53
  4. Step 4: Simplify right side
    53,217.13x = 1,259,457,267.56
  5. Step 5: Solve for x
    x = 1,259,457,267.56/53,217.13
  6. Step 6: Final answer
    x = 23,666.39

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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.