Home / 28,073.04-38,739.78-15,497.52

Finding the Fourth Proportional to 28,073.04, 38,739.78 and 15,497.52

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Solution

The fourth proportional to 28,073.04, 38,739.78 and 15,497.52 is: 21,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.04 : 38,739.78 = 15,497.52 : x
  2. Step 2: Convert to fraction form
    28,073.04/38,739.78 = 15,497.52/x
  3. Step 3: Cross multiply
    28,073.04x = 38,739.78 × 15,497.52
  4. Step 4: Simplify right side
    28,073.04x = 600,370,515.35
  5. Step 5: Solve for x
    x = 600,370,515.35/28,073.04
  6. Step 6: Final answer
    x = 21,386.02

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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.