Home / 27,030.80-40,517.40-10,384.40

Finding the Fourth Proportional to 27,030.80, 40,517.40 and 10,384.40

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Solution

The fourth proportional to 27,030.80, 40,517.40 and 10,384.40 is: 15,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.80 : 40,517.40 = 10,384.40 : x
  2. Step 2: Convert to fraction form
    27,030.80/40,517.40 = 10,384.40/x
  3. Step 3: Cross multiply
    27,030.80x = 40,517.40 × 10,384.40
  4. Step 4: Simplify right side
    27,030.80x = 420,748,888.56
  5. Step 5: Solve for x
    x = 420,748,888.56/27,030.80
  6. Step 6: Final answer
    x = 15,565.54

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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.