Home / 28,653.04-42,988.35-13,679.26

Finding the Fourth Proportional to 28,653.04, 42,988.35 and 13,679.26

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Solution

The fourth proportional to 28,653.04, 42,988.35 and 13,679.26 is: 20,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.04 : 42,988.35 = 13,679.26 : x
  2. Step 2: Convert to fraction form
    28,653.04/42,988.35 = 13,679.26/x
  3. Step 3: Cross multiply
    28,653.04x = 42,988.35 × 13,679.26
  4. Step 4: Simplify right side
    28,653.04x = 588,048,816.62
  5. Step 5: Solve for x
    x = 588,048,816.62/28,653.04
  6. Step 6: Final answer
    x = 20,523.09

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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.