Home / 28,392.02-42,592.60-8,665.95

Finding the Fourth Proportional to 28,392.02, 42,592.60 and 8,665.95

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Solution

The fourth proportional to 28,392.02, 42,592.60 and 8,665.95 is: 13,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.02 : 42,592.60 = 8,665.95 : x
  2. Step 2: Convert to fraction form
    28,392.02/42,592.60 = 8,665.95/x
  3. Step 3: Cross multiply
    28,392.02x = 42,592.60 × 8,665.95
  4. Step 4: Simplify right side
    28,392.02x = 369,105,512.52
  5. Step 5: Solve for x
    x = 369,105,512.52/28,392.02
  6. Step 6: Final answer
    x = 13,000.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.