Home / 28,908.02-39,889.86-16,332.78

Finding the Fourth Proportional to 28,908.02, 39,889.86 and 16,332.78

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Solution

The fourth proportional to 28,908.02, 39,889.86 and 16,332.78 is: 22,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.02 : 39,889.86 = 16,332.78 : x
  2. Step 2: Convert to fraction form
    28,908.02/39,889.86 = 16,332.78/x
  3. Step 3: Cross multiply
    28,908.02x = 39,889.86 × 16,332.78
  4. Step 4: Simplify right side
    28,908.02x = 651,512,307.61
  5. Step 5: Solve for x
    x = 651,512,307.61/28,908.02
  6. Step 6: Final answer
    x = 22,537.42

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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.