Home / 22,368.40-30,852.77-18,987.89

Finding the Fourth Proportional to 22,368.40, 30,852.77 and 18,987.89

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Solution

The fourth proportional to 22,368.40, 30,852.77 and 18,987.89 is: 26,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.40 : 30,852.77 = 18,987.89 : x
  2. Step 2: Convert to fraction form
    22,368.40/30,852.77 = 18,987.89/x
  3. Step 3: Cross multiply
    22,368.40x = 30,852.77 × 18,987.89
  4. Step 4: Simplify right side
    22,368.40x = 585,828,753.75
  5. Step 5: Solve for x
    x = 585,828,753.75/22,368.40
  6. Step 6: Final answer
    x = 26,190.02

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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.