Home / 28,802.93-43,210.24-12,162.90

Finding the Fourth Proportional to 28,802.93, 43,210.24 and 12,162.90

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Solution

The fourth proportional to 28,802.93, 43,210.24 and 12,162.90 is: 18,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.93 : 43,210.24 = 12,162.90 : x
  2. Step 2: Convert to fraction form
    28,802.93/43,210.24 = 12,162.90/x
  3. Step 3: Cross multiply
    28,802.93x = 43,210.24 × 12,162.90
  4. Step 4: Simplify right side
    28,802.93x = 525,561,828.10
  5. Step 5: Solve for x
    x = 525,561,828.10/28,802.93
  6. Step 6: Final answer
    x = 18,246.82

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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.