Home / 28,224.45-38,938.32-16,894.37

Finding the Fourth Proportional to 28,224.45, 38,938.32 and 16,894.37

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Solution

The fourth proportional to 28,224.45, 38,938.32 and 16,894.37 is: 23,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.45 : 38,938.32 = 16,894.37 : x
  2. Step 2: Convert to fraction form
    28,224.45/38,938.32 = 16,894.37/x
  3. Step 3: Cross multiply
    28,224.45x = 38,938.32 × 16,894.37
  4. Step 4: Simplify right side
    28,224.45x = 657,838,482.60
  5. Step 5: Solve for x
    x = 657,838,482.60/28,224.45
  6. Step 6: Final answer
    x = 23,307.40

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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.