Home / 28,925.89-39,916.06-16,004.41

Finding the Fourth Proportional to 28,925.89, 39,916.06 and 16,004.41

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Solution

The fourth proportional to 28,925.89, 39,916.06 and 16,004.41 is: 22,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.89 : 39,916.06 = 16,004.41 : x
  2. Step 2: Convert to fraction form
    28,925.89/39,916.06 = 16,004.41/x
  3. Step 3: Cross multiply
    28,925.89x = 39,916.06 × 16,004.41
  4. Step 4: Simplify right side
    28,925.89x = 638,832,850.02
  5. Step 5: Solve for x
    x = 638,832,850.02/28,925.89
  6. Step 6: Final answer
    x = 22,085.16

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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.