Home / 27,130.13-37,438.71-15,030.12

Finding the Fourth Proportional to 27,130.13, 37,438.71 and 15,030.12

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Solution

The fourth proportional to 27,130.13, 37,438.71 and 15,030.12 is: 20,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.13 : 37,438.71 = 15,030.12 : x
  2. Step 2: Convert to fraction form
    27,130.13/37,438.71 = 15,030.12/x
  3. Step 3: Cross multiply
    27,130.13x = 37,438.71 × 15,030.12
  4. Step 4: Simplify right side
    27,130.13x = 562,708,072.09
  5. Step 5: Solve for x
    x = 562,708,072.09/27,130.13
  6. Step 6: Final answer
    x = 20,741.07

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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.