Home / 28,124.06-38,812.21-16,802.24

Finding the Fourth Proportional to 28,124.06, 38,812.21 and 16,802.24

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Solution

The fourth proportional to 28,124.06, 38,812.21 and 16,802.24 is: 23,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.06 : 38,812.21 = 16,802.24 : x
  2. Step 2: Convert to fraction form
    28,124.06/38,812.21 = 16,802.24/x
  3. Step 3: Cross multiply
    28,124.06x = 38,812.21 × 16,802.24
  4. Step 4: Simplify right side
    28,124.06x = 652,131,925.80
  5. Step 5: Solve for x
    x = 652,131,925.80/28,124.06
  6. Step 6: Final answer
    x = 23,187.69

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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.