Home / 28,089.50-42,166.65-14,267.66

Finding the Fourth Proportional to 28,089.50, 42,166.65 and 14,267.66

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Solution

The fourth proportional to 28,089.50, 42,166.65 and 14,267.66 is: 21,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.50 : 42,166.65 = 14,267.66 : x
  2. Step 2: Convert to fraction form
    28,089.50/42,166.65 = 14,267.66/x
  3. Step 3: Cross multiply
    28,089.50x = 42,166.65 × 14,267.66
  4. Step 4: Simplify right side
    28,089.50x = 601,619,425.54
  5. Step 5: Solve for x
    x = 601,619,425.54/28,089.50
  6. Step 6: Final answer
    x = 21,417.95

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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.