Home / 28,864.52-39,830.00-16,762.64

Finding the Fourth Proportional to 28,864.52, 39,830.00 and 16,762.64

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Solution

The fourth proportional to 28,864.52, 39,830.00 and 16,762.64 is: 23,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.52 : 39,830.00 = 16,762.64 : x
  2. Step 2: Convert to fraction form
    28,864.52/39,830.00 = 16,762.64/x
  3. Step 3: Cross multiply
    28,864.52x = 39,830.00 × 16,762.64
  4. Step 4: Simplify right side
    28,864.52x = 667,655,867.39
  5. Step 5: Solve for x
    x = 667,655,867.39/28,864.52
  6. Step 6: Final answer
    x = 23,130.68

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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.