Home / 23,392.70-32,281.86-12,782.40

Finding the Fourth Proportional to 23,392.70, 32,281.86 and 12,782.40

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Solution

The fourth proportional to 23,392.70, 32,281.86 and 12,782.40 is: 17,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,392.70 : 32,281.86 = 12,782.40 : x
  2. Step 2: Convert to fraction form
    23,392.70/32,281.86 = 12,782.40/x
  3. Step 3: Cross multiply
    23,392.70x = 32,281.86 × 12,782.40
  4. Step 4: Simplify right side
    23,392.70x = 412,639,647.26
  5. Step 5: Solve for x
    x = 412,639,647.26/23,392.70
  6. Step 6: Final answer
    x = 17,639.68

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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.