Home / 27,130.31-37,440.08-15,031.05

Finding the Fourth Proportional to 27,130.31, 37,440.08 and 15,031.05

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Solution

The fourth proportional to 27,130.31, 37,440.08 and 15,031.05 is: 20,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.31 : 37,440.08 = 15,031.05 : x
  2. Step 2: Convert to fraction form
    27,130.31/37,440.08 = 15,031.05/x
  3. Step 3: Cross multiply
    27,130.31x = 37,440.08 × 15,031.05
  4. Step 4: Simplify right side
    27,130.31x = 562,763,639.84
  5. Step 5: Solve for x
    x = 562,763,639.84/27,130.31
  6. Step 6: Final answer
    x = 20,742.99

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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.