Home / 28,988.86-43,497.88-21,608.14

Finding the Fourth Proportional to 28,988.86, 43,497.88 and 21,608.14

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Solution

The fourth proportional to 28,988.86, 43,497.88 and 21,608.14 is: 32,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.86 : 43,497.88 = 21,608.14 : x
  2. Step 2: Convert to fraction form
    28,988.86/43,497.88 = 21,608.14/x
  3. Step 3: Cross multiply
    28,988.86x = 43,497.88 × 21,608.14
  4. Step 4: Simplify right side
    28,988.86x = 939,908,280.74
  5. Step 5: Solve for x
    x = 939,908,280.74/28,988.86
  6. Step 6: Final answer
    x = 32,423.09

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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.