Home / 28,674.18-42,953.76-14,633.64

Finding the Fourth Proportional to 28,674.18, 42,953.76 and 14,633.64

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Solution

The fourth proportional to 28,674.18, 42,953.76 and 14,633.64 is: 21,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674.18 : 42,953.76 = 14,633.64 : x
  2. Step 2: Convert to fraction form
    28,674.18/42,953.76 = 14,633.64/x
  3. Step 3: Cross multiply
    28,674.18x = 42,953.76 × 14,633.64
  4. Step 4: Simplify right side
    28,674.18x = 628,569,860.49
  5. Step 5: Solve for x
    x = 628,569,860.49/28,674.18
  6. Step 6: Final answer
    x = 21,921.11

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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.