Home / 28,952.16-39,887.28-22,230.24

Finding the Fourth Proportional to 28,952.16, 39,887.28 and 22,230.24

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Solution

The fourth proportional to 28,952.16, 39,887.28 and 22,230.24 is: 30,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.16 : 39,887.28 = 22,230.24 : x
  2. Step 2: Convert to fraction form
    28,952.16/39,887.28 = 22,230.24/x
  3. Step 3: Cross multiply
    28,952.16x = 39,887.28 × 22,230.24
  4. Step 4: Simplify right side
    28,952.16x = 886,703,807.35
  5. Step 5: Solve for x
    x = 886,703,807.35/28,952.16
  6. Step 6: Final answer
    x = 30,626.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.