Home / 27,312.17-37,667.30-18,828.09

Finding the Fourth Proportional to 27,312.17, 37,667.30 and 18,828.09

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Solution

The fourth proportional to 27,312.17, 37,667.30 and 18,828.09 is: 25,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.17 : 37,667.30 = 18,828.09 : x
  2. Step 2: Convert to fraction form
    27,312.17/37,667.30 = 18,828.09/x
  3. Step 3: Cross multiply
    27,312.17x = 37,667.30 × 18,828.09
  4. Step 4: Simplify right side
    27,312.17x = 709,203,220.32
  5. Step 5: Solve for x
    x = 709,203,220.32/27,312.17
  6. Step 6: Final answer
    x = 25,966.57

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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.