Home / 28,291.60-39,043.08-15,544.67

Finding the Fourth Proportional to 28,291.60, 39,043.08 and 15,544.67

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Solution

The fourth proportional to 28,291.60, 39,043.08 and 15,544.67 is: 21,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.60 : 39,043.08 = 15,544.67 : x
  2. Step 2: Convert to fraction form
    28,291.60/39,043.08 = 15,544.67/x
  3. Step 3: Cross multiply
    28,291.60x = 39,043.08 × 15,544.67
  4. Step 4: Simplify right side
    28,291.60x = 606,911,521.44
  5. Step 5: Solve for x
    x = 606,911,521.44/28,291.60
  6. Step 6: Final answer
    x = 21,452.00

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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.