Home / 28,664.65-42,988.67-9,943.93

Finding the Fourth Proportional to 28,664.65, 42,988.67 and 9,943.93

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Solution

The fourth proportional to 28,664.65, 42,988.67 and 9,943.93 is: 14,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.65 : 42,988.67 = 9,943.93 : x
  2. Step 2: Convert to fraction form
    28,664.65/42,988.67 = 9,943.93/x
  3. Step 3: Cross multiply
    28,664.65x = 42,988.67 × 9,943.93
  4. Step 4: Simplify right side
    28,664.65x = 427,476,060.61
  5. Step 5: Solve for x
    x = 427,476,060.61/28,664.65
  6. Step 6: Final answer
    x = 14,913.01

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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.