Home / 22,802.40-34,180.35-12,920.80

Finding the Fourth Proportional to 22,802.40, 34,180.35 and 12,920.80

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Solution

The fourth proportional to 22,802.40, 34,180.35 and 12,920.80 is: 19,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.40 : 34,180.35 = 12,920.80 : x
  2. Step 2: Convert to fraction form
    22,802.40/34,180.35 = 12,920.80/x
  3. Step 3: Cross multiply
    22,802.40x = 34,180.35 × 12,920.80
  4. Step 4: Simplify right side
    22,802.40x = 441,637,466.28
  5. Step 5: Solve for x
    x = 441,637,466.28/22,802.40
  6. Step 6: Final answer
    x = 19,368.03

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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.