Home / 28,210.50-42,320.22-11,343.46

Finding the Fourth Proportional to 28,210.50, 42,320.22 and 11,343.46

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Solution

The fourth proportional to 28,210.50, 42,320.22 and 11,343.46 is: 17,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.50 : 42,320.22 = 11,343.46 : x
  2. Step 2: Convert to fraction form
    28,210.50/42,320.22 = 11,343.46/x
  3. Step 3: Cross multiply
    28,210.50x = 42,320.22 × 11,343.46
  4. Step 4: Simplify right side
    28,210.50x = 480,057,722.76
  5. Step 5: Solve for x
    x = 480,057,722.76/28,210.50
  6. Step 6: Final answer
    x = 17,016.99

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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.