Home / 28,062.99-38,728.17-16,130.07

Finding the Fourth Proportional to 28,062.99, 38,728.17 and 16,130.07

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Solution

The fourth proportional to 28,062.99, 38,728.17 and 16,130.07 is: 22,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.99 : 38,728.17 = 16,130.07 : x
  2. Step 2: Convert to fraction form
    28,062.99/38,728.17 = 16,130.07/x
  3. Step 3: Cross multiply
    28,062.99x = 38,728.17 × 16,130.07
  4. Step 4: Simplify right side
    28,062.99x = 624,688,093.07
  5. Step 5: Solve for x
    x = 624,688,093.07/28,062.99
  6. Step 6: Final answer
    x = 22,260.21

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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.