Home / 28,025.19-42,025.64-8,298.45

Finding the Fourth Proportional to 28,025.19, 42,025.64 and 8,298.45

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Solution

The fourth proportional to 28,025.19, 42,025.64 and 8,298.45 is: 12,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.19 : 42,025.64 = 8,298.45 : x
  2. Step 2: Convert to fraction form
    28,025.19/42,025.64 = 8,298.45/x
  3. Step 3: Cross multiply
    28,025.19x = 42,025.64 × 8,298.45
  4. Step 4: Simplify right side
    28,025.19x = 348,747,630.77
  5. Step 5: Solve for x
    x = 348,747,630.77/28,025.19
  6. Step 6: Final answer
    x = 12,444.08

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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.