Home / 23,145.60-34,718.40-7,564.80

Finding the Fourth Proportional to 23,145.60, 34,718.40 and 7,564.80

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Solution

The fourth proportional to 23,145.60, 34,718.40 and 7,564.80 is: 11,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.60 : 34,718.40 = 7,564.80 : x
  2. Step 2: Convert to fraction form
    23,145.60/34,718.40 = 7,564.80/x
  3. Step 3: Cross multiply
    23,145.60x = 34,718.40 × 7,564.80
  4. Step 4: Simplify right side
    23,145.60x = 262,637,752.32
  5. Step 5: Solve for x
    x = 262,637,752.32/23,145.60
  6. Step 6: Final answer
    x = 11,347.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.