Home / 28,030.83-38,691.91-16,703.88

Finding the Fourth Proportional to 28,030.83, 38,691.91 and 16,703.88

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Solution

The fourth proportional to 28,030.83, 38,691.91 and 16,703.88 is: 23,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.83 : 38,691.91 = 16,703.88 : x
  2. Step 2: Convert to fraction form
    28,030.83/38,691.91 = 16,703.88/x
  3. Step 3: Cross multiply
    28,030.83x = 38,691.91 × 16,703.88
  4. Step 4: Simplify right side
    28,030.83x = 646,304,897.40
  5. Step 5: Solve for x
    x = 646,304,897.40/28,030.83
  6. Step 6: Final answer
    x = 23,056.93

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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.