Home / 27,036.68-40,555.24-7,315.40

Finding the Fourth Proportional to 27,036.68, 40,555.24 and 7,315.40

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Solution

The fourth proportional to 27,036.68, 40,555.24 and 7,315.40 is: 10,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.68 : 40,555.24 = 7,315.40 : x
  2. Step 2: Convert to fraction form
    27,036.68/40,555.24 = 7,315.40/x
  3. Step 3: Cross multiply
    27,036.68x = 40,555.24 × 7,315.40
  4. Step 4: Simplify right side
    27,036.68x = 296,677,802.70
  5. Step 5: Solve for x
    x = 296,677,802.70/27,036.68
  6. Step 6: Final answer
    x = 10,973.16

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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.