Home / 19,058.74-28,582.71-12,028.21

Finding the Fourth Proportional to 19,058.74, 28,582.71 and 12,028.21

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Solution

The fourth proportional to 19,058.74, 28,582.71 and 12,028.21 is: 18,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058.74 : 28,582.71 = 12,028.21 : x
  2. Step 2: Convert to fraction form
    19,058.74/28,582.71 = 12,028.21/x
  3. Step 3: Cross multiply
    19,058.74x = 28,582.71 × 12,028.21
  4. Step 4: Simplify right side
    19,058.74x = 343,798,838.25
  5. Step 5: Solve for x
    x = 343,798,838.25/19,058.74
  6. Step 6: Final answer
    x = 18,038.91

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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.