Home / 28,802.16-39,746.79-16,055.46

Finding the Fourth Proportional to 28,802.16, 39,746.79 and 16,055.46

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Solution

The fourth proportional to 28,802.16, 39,746.79 and 16,055.46 is: 22,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.16 : 39,746.79 = 16,055.46 : x
  2. Step 2: Convert to fraction form
    28,802.16/39,746.79 = 16,055.46/x
  3. Step 3: Cross multiply
    28,802.16x = 39,746.79 × 16,055.46
  4. Step 4: Simplify right side
    28,802.16x = 638,152,996.97
  5. Step 5: Solve for x
    x = 638,152,996.97/28,802.16
  6. Step 6: Final answer
    x = 22,156.43

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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.