Home / 28,717.23-43,066.28-12,074.16

Finding the Fourth Proportional to 28,717.23, 43,066.28 and 12,074.16

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Solution

The fourth proportional to 28,717.23, 43,066.28 and 12,074.16 is: 18,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.23 : 43,066.28 = 12,074.16 : x
  2. Step 2: Convert to fraction form
    28,717.23/43,066.28 = 12,074.16/x
  3. Step 3: Cross multiply
    28,717.23x = 43,066.28 × 12,074.16
  4. Step 4: Simplify right side
    28,717.23x = 519,989,347.01
  5. Step 5: Solve for x
    x = 519,989,347.01/28,717.23
  6. Step 6: Final answer
    x = 18,107.22

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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.