Home / 28,886.93-39,862.53-16,137.59

Finding the Fourth Proportional to 28,886.93, 39,862.53 and 16,137.59

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Solution

The fourth proportional to 28,886.93, 39,862.53 and 16,137.59 is: 22,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.93 : 39,862.53 = 16,137.59 : x
  2. Step 2: Convert to fraction form
    28,886.93/39,862.53 = 16,137.59/x
  3. Step 3: Cross multiply
    28,886.93x = 39,862.53 × 16,137.59
  4. Step 4: Simplify right side
    28,886.93x = 643,284,966.19
  5. Step 5: Solve for x
    x = 643,284,966.19/28,886.93
  6. Step 6: Final answer
    x = 22,269.07

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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.