Home / 28,266.72-39,009.84-16,332.24

Finding the Fourth Proportional to 28,266.72, 39,009.84 and 16,332.24

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Solution

The fourth proportional to 28,266.72, 39,009.84 and 16,332.24 is: 22,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.72 : 39,009.84 = 16,332.24 : x
  2. Step 2: Convert to fraction form
    28,266.72/39,009.84 = 16,332.24/x
  3. Step 3: Cross multiply
    28,266.72x = 39,009.84 × 16,332.24
  4. Step 4: Simplify right side
    28,266.72x = 637,118,069.24
  5. Step 5: Solve for x
    x = 637,118,069.24/28,266.72
  6. Step 6: Final answer
    x = 22,539.51

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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.