Home / 19,239.80-28,835.40-10,467.50

Finding the Fourth Proportional to 19,239.80, 28,835.40 and 10,467.50

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Solution

The fourth proportional to 19,239.80, 28,835.40 and 10,467.50 is: 15,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.80 : 28,835.40 = 10,467.50 : x
  2. Step 2: Convert to fraction form
    19,239.80/28,835.40 = 10,467.50/x
  3. Step 3: Cross multiply
    19,239.80x = 28,835.40 × 10,467.50
  4. Step 4: Simplify right side
    19,239.80x = 301,834,549.50
  5. Step 5: Solve for x
    x = 301,834,549.50/19,239.80
  6. Step 6: Final answer
    x = 15,688.03

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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.