Home / 55,272.99-82,909.13-15,830.24

Finding the Fourth Proportional to 55,272.99, 82,909.13 and 15,830.24

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Solution

The fourth proportional to 55,272.99, 82,909.13 and 15,830.24 is: 23,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.99 : 82,909.13 = 15,830.24 : x
  2. Step 2: Convert to fraction form
    55,272.99/82,909.13 = 15,830.24/x
  3. Step 3: Cross multiply
    55,272.99x = 82,909.13 × 15,830.24
  4. Step 4: Simplify right side
    55,272.99x = 1,312,471,426.09
  5. Step 5: Solve for x
    x = 1,312,471,426.09/55,272.99
  6. Step 6: Final answer
    x = 23,745.26

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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.