Home / 25,526.20-38,289.30-8,001.40

Finding the Fourth Proportional to 25,526.20, 38,289.30 and 8,001.40

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Solution

The fourth proportional to 25,526.20, 38,289.30 and 8,001.40 is: 12,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.20 : 38,289.30 = 8,001.40 : x
  2. Step 2: Convert to fraction form
    25,526.20/38,289.30 = 8,001.40/x
  3. Step 3: Cross multiply
    25,526.20x = 38,289.30 × 8,001.40
  4. Step 4: Simplify right side
    25,526.20x = 306,368,005.02
  5. Step 5: Solve for x
    x = 306,368,005.02/25,526.20
  6. Step 6: Final answer
    x = 12,002.10

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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.