Home / 27,395.04-37,802.40-15,457.67

Finding the Fourth Proportional to 27,395.04, 37,802.40 and 15,457.67

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Solution

The fourth proportional to 27,395.04, 37,802.40 and 15,457.67 is: 21,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,395.04 : 37,802.40 = 15,457.67 : x
  2. Step 2: Convert to fraction form
    27,395.04/37,802.40 = 15,457.67/x
  3. Step 3: Cross multiply
    27,395.04x = 37,802.40 × 15,457.67
  4. Step 4: Simplify right side
    27,395.04x = 584,336,919.19
  5. Step 5: Solve for x
    x = 584,336,919.19/27,395.04
  6. Step 6: Final answer
    x = 21,330.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.