Home / 27,140.04-40,705.86-10,507.80

Finding the Fourth Proportional to 27,140.04, 40,705.86 and 10,507.80

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Solution

The fourth proportional to 27,140.04, 40,705.86 and 10,507.80 is: 15,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.04 : 40,705.86 = 10,507.80 : x
  2. Step 2: Convert to fraction form
    27,140.04/40,705.86 = 10,507.80/x
  3. Step 3: Cross multiply
    27,140.04x = 40,705.86 × 10,507.80
  4. Step 4: Simplify right side
    27,140.04x = 427,729,035.71
  5. Step 5: Solve for x
    x = 427,729,035.71/27,140.04
  6. Step 6: Final answer
    x = 15,760.07

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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.