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Finding the Fourth Proportional to 28,393.04, 42,596.04 and 8,674.40

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Solution

The fourth proportional to 28,393.04, 42,596.04 and 8,674.40 is: 13,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.04 : 42,596.04 = 8,674.40 : x
  2. Step 2: Convert to fraction form
    28,393.04/42,596.04 = 8,674.40/x
  3. Step 3: Cross multiply
    28,393.04x = 42,596.04 × 8,674.40
  4. Step 4: Simplify right side
    28,393.04x = 369,495,089.38
  5. Step 5: Solve for x
    x = 369,495,089.38/28,393.04
  6. Step 6: Final answer
    x = 13,013.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.