Home / 28,275.98-42,401.21-10,733.40

Finding the Fourth Proportional to 28,275.98, 42,401.21 and 10,733.40

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Solution

The fourth proportional to 28,275.98, 42,401.21 and 10,733.40 is: 16,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.98 : 42,401.21 = 10,733.40 : x
  2. Step 2: Convert to fraction form
    28,275.98/42,401.21 = 10,733.40/x
  3. Step 3: Cross multiply
    28,275.98x = 42,401.21 × 10,733.40
  4. Step 4: Simplify right side
    28,275.98x = 455,109,093.75
  5. Step 5: Solve for x
    x = 455,109,093.75/28,275.98
  6. Step 6: Final answer
    x = 16,095.26

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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.