Home / 28,024.40-42,026.08-9,300.96

Finding the Fourth Proportional to 28,024.40, 42,026.08 and 9,300.96

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Solution

The fourth proportional to 28,024.40, 42,026.08 and 9,300.96 is: 13,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.40 : 42,026.08 = 9,300.96 : x
  2. Step 2: Convert to fraction form
    28,024.40/42,026.08 = 9,300.96/x
  3. Step 3: Cross multiply
    28,024.40x = 42,026.08 × 9,300.96
  4. Step 4: Simplify right side
    28,024.40x = 390,882,889.04
  5. Step 5: Solve for x
    x = 390,882,889.04/28,024.40
  6. Step 6: Final answer
    x = 13,947.95

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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.