Home / 28,223.70-42,332.58-11,585.49

Finding the Fourth Proportional to 28,223.70, 42,332.58 and 11,585.49

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Solution

The fourth proportional to 28,223.70, 42,332.58 and 11,585.49 is: 17,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.70 : 42,332.58 = 11,585.49 : x
  2. Step 2: Convert to fraction form
    28,223.70/42,332.58 = 11,585.49/x
  3. Step 3: Cross multiply
    28,223.70x = 42,332.58 × 11,585.49
  4. Step 4: Simplify right side
    28,223.70x = 490,443,682.26
  5. Step 5: Solve for x
    x = 490,443,682.26/28,223.70
  6. Step 6: Final answer
    x = 17,377.02

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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.