Home / 27,605.12-38,094.93-15,503.91

Finding the Fourth Proportional to 27,605.12, 38,094.93 and 15,503.91

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Solution

The fourth proportional to 27,605.12, 38,094.93 and 15,503.91 is: 21,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.12 : 38,094.93 = 15,503.91 : x
  2. Step 2: Convert to fraction form
    27,605.12/38,094.93 = 15,503.91/x
  3. Step 3: Cross multiply
    27,605.12x = 38,094.93 × 15,503.91
  4. Step 4: Simplify right side
    27,605.12x = 590,620,366.18
  5. Step 5: Solve for x
    x = 590,620,366.18/27,605.12
  6. Step 6: Final answer
    x = 21,395.32

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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.