Home / 28,916.06-39,905.13-16,341.62

Finding the Fourth Proportional to 28,916.06, 39,905.13 and 16,341.62

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Solution

The fourth proportional to 28,916.06, 39,905.13 and 16,341.62 is: 22,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.06 : 39,905.13 = 16,341.62 : x
  2. Step 2: Convert to fraction form
    28,916.06/39,905.13 = 16,341.62/x
  3. Step 3: Cross multiply
    28,916.06x = 39,905.13 × 16,341.62
  4. Step 4: Simplify right side
    28,916.06x = 652,114,470.51
  5. Step 5: Solve for x
    x = 652,114,470.51/28,916.06
  6. Step 6: Final answer
    x = 22,551.98

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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.