Home / 28,818.83-39,773.87-16,886.93

Finding the Fourth Proportional to 28,818.83, 39,773.87 and 16,886.93

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Solution

The fourth proportional to 28,818.83, 39,773.87 and 16,886.93 is: 23,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.83 : 39,773.87 = 16,886.93 : x
  2. Step 2: Convert to fraction form
    28,818.83/39,773.87 = 16,886.93/x
  3. Step 3: Cross multiply
    28,818.83x = 39,773.87 × 16,886.93
  4. Step 4: Simplify right side
    28,818.83x = 671,658,275.22
  5. Step 5: Solve for x
    x = 671,658,275.22/28,818.83
  6. Step 6: Final answer
    x = 23,306.23

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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.