Home / 28,523.85-39,364.39-16,426.13

Finding the Fourth Proportional to 28,523.85, 39,364.39 and 16,426.13

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Solution

The fourth proportional to 28,523.85, 39,364.39 and 16,426.13 is: 22,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.85 : 39,364.39 = 16,426.13 : x
  2. Step 2: Convert to fraction form
    28,523.85/39,364.39 = 16,426.13/x
  3. Step 3: Cross multiply
    28,523.85x = 39,364.39 × 16,426.13
  4. Step 4: Simplify right side
    28,523.85x = 646,604,587.51
  5. Step 5: Solve for x
    x = 646,604,587.51/28,523.85
  6. Step 6: Final answer
    x = 22,668.91

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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.