Home / 28,247.78-42,377.08-14,210.84

Finding the Fourth Proportional to 28,247.78, 42,377.08 and 14,210.84

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Solution

The fourth proportional to 28,247.78, 42,377.08 and 14,210.84 is: 21,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.78 : 42,377.08 = 14,210.84 : x
  2. Step 2: Convert to fraction form
    28,247.78/42,377.08 = 14,210.84/x
  3. Step 3: Cross multiply
    28,247.78x = 42,377.08 × 14,210.84
  4. Step 4: Simplify right side
    28,247.78x = 602,213,903.55
  5. Step 5: Solve for x
    x = 602,213,903.55/28,247.78
  6. Step 6: Final answer
    x = 21,318.98

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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.