Home / 27,140.16-37,457.86-18,635.22

Finding the Fourth Proportional to 27,140.16, 37,457.86 and 18,635.22

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Solution

The fourth proportional to 27,140.16, 37,457.86 and 18,635.22 is: 25,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.16 : 37,457.86 = 18,635.22 : x
  2. Step 2: Convert to fraction form
    27,140.16/37,457.86 = 18,635.22/x
  3. Step 3: Cross multiply
    27,140.16x = 37,457.86 × 18,635.22
  4. Step 4: Simplify right side
    27,140.16x = 698,035,461.83
  5. Step 5: Solve for x
    x = 698,035,461.83/27,140.16
  6. Step 6: Final answer
    x = 25,719.65

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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.