Home / 28,990.40-40,025.93-22,263.95

Finding the Fourth Proportional to 28,990.40, 40,025.93 and 22,263.95

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Solution

The fourth proportional to 28,990.40, 40,025.93 and 22,263.95 is: 30,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.40 : 40,025.93 = 22,263.95 : x
  2. Step 2: Convert to fraction form
    28,990.40/40,025.93 = 22,263.95/x
  3. Step 3: Cross multiply
    28,990.40x = 40,025.93 × 22,263.95
  4. Step 4: Simplify right side
    28,990.40x = 891,134,992.77
  5. Step 5: Solve for x
    x = 891,134,992.77/28,990.40
  6. Step 6: Final answer
    x = 30,738.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.