Home / 28,292.76-42,433.65-26,887.80

Finding the Fourth Proportional to 28,292.76, 42,433.65 and 26,887.80

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Solution

The fourth proportional to 28,292.76, 42,433.65 and 26,887.80 is: 40,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.76 : 42,433.65 = 26,887.80 : x
  2. Step 2: Convert to fraction form
    28,292.76/42,433.65 = 26,887.80/x
  3. Step 3: Cross multiply
    28,292.76x = 42,433.65 × 26,887.80
  4. Step 4: Simplify right side
    28,292.76x = 1,140,947,494.47
  5. Step 5: Solve for x
    x = 1,140,947,494.47/28,292.76
  6. Step 6: Final answer
    x = 40,326.48

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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.