Home / 28,266.99-42,409.69-14,219.77

Finding the Fourth Proportional to 28,266.99, 42,409.69 and 14,219.77

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Solution

The fourth proportional to 28,266.99, 42,409.69 and 14,219.77 is: 21,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.99 : 42,409.69 = 14,219.77 : x
  2. Step 2: Convert to fraction form
    28,266.99/42,409.69 = 14,219.77/x
  3. Step 3: Cross multiply
    28,266.99x = 42,409.69 × 14,219.77
  4. Step 4: Simplify right side
    28,266.99x = 603,055,861.07
  5. Step 5: Solve for x
    x = 603,055,861.07/28,266.99
  6. Step 6: Final answer
    x = 21,334.28

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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.