Home / 28,208.66-42,310.76-14,154.35

Finding the Fourth Proportional to 28,208.66, 42,310.76 and 14,154.35

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Solution

The fourth proportional to 28,208.66, 42,310.76 and 14,154.35 is: 21,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.66 : 42,310.76 = 14,154.35 : x
  2. Step 2: Convert to fraction form
    28,208.66/42,310.76 = 14,154.35/x
  3. Step 3: Cross multiply
    28,208.66x = 42,310.76 × 14,154.35
  4. Step 4: Simplify right side
    28,208.66x = 598,881,023.48
  5. Step 5: Solve for x
    x = 598,881,023.48/28,208.66
  6. Step 6: Final answer
    x = 21,230.40

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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.