Home / 28,077.23-42,094.77-16,981.65

Finding the Fourth Proportional to 28,077.23, 42,094.77 and 16,981.65

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Solution

The fourth proportional to 28,077.23, 42,094.77 and 16,981.65 is: 25,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.23 : 42,094.77 = 16,981.65 : x
  2. Step 2: Convert to fraction form
    28,077.23/42,094.77 = 16,981.65/x
  3. Step 3: Cross multiply
    28,077.23x = 42,094.77 × 16,981.65
  4. Step 4: Simplify right side
    28,077.23x = 714,838,650.97
  5. Step 5: Solve for x
    x = 714,838,650.97/28,077.23
  6. Step 6: Final answer
    x = 25,459.73

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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.