Home / 27,142.04-37,455.80-15,205.50

Finding the Fourth Proportional to 27,142.04, 37,455.80 and 15,205.50

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Solution

The fourth proportional to 27,142.04, 37,455.80 and 15,205.50 is: 20,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.04 : 37,455.80 = 15,205.50 : x
  2. Step 2: Convert to fraction form
    27,142.04/37,455.80 = 15,205.50/x
  3. Step 3: Cross multiply
    27,142.04x = 37,455.80 × 15,205.50
  4. Step 4: Simplify right side
    27,142.04x = 569,534,166.90
  5. Step 5: Solve for x
    x = 569,534,166.90/27,142.04
  6. Step 6: Final answer
    x = 20,983.47

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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.