Home / 28,875.52-39,855.36-16,307.52

Finding the Fourth Proportional to 28,875.52, 39,855.36 and 16,307.52

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Solution

The fourth proportional to 28,875.52, 39,855.36 and 16,307.52 is: 22,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.52 : 39,855.36 = 16,307.52 : x
  2. Step 2: Convert to fraction form
    28,875.52/39,855.36 = 16,307.52/x
  3. Step 3: Cross multiply
    28,875.52x = 39,855.36 × 16,307.52
  4. Step 4: Simplify right side
    28,875.52x = 649,942,080.31
  5. Step 5: Solve for x
    x = 649,942,080.31/28,875.52
  6. Step 6: Final answer
    x = 22,508.41

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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.