Home / 15,681.33-23,521.88-3,835.15

Finding the Fourth Proportional to 15,681.33, 23,521.88 and 3,835.15

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Solution

The fourth proportional to 15,681.33, 23,521.88 and 3,835.15 is: 5,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.33 : 23,521.88 = 3,835.15 : x
  2. Step 2: Convert to fraction form
    15,681.33/23,521.88 = 3,835.15/x
  3. Step 3: Cross multiply
    15,681.33x = 23,521.88 × 3,835.15
  4. Step 4: Simplify right side
    15,681.33x = 90,209,888.87
  5. Step 5: Solve for x
    x = 90,209,888.87/15,681.33
  6. Step 6: Final answer
    x = 5,752.69

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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.