Home / 27,440.10-37,868.08-15,503.18

Finding the Fourth Proportional to 27,440.10, 37,868.08 and 15,503.18

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Solution

The fourth proportional to 27,440.10, 37,868.08 and 15,503.18 is: 21,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.10 : 37,868.08 = 15,503.18 : x
  2. Step 2: Convert to fraction form
    27,440.10/37,868.08 = 15,503.18/x
  3. Step 3: Cross multiply
    27,440.10x = 37,868.08 × 15,503.18
  4. Step 4: Simplify right side
    27,440.10x = 587,075,877.83
  5. Step 5: Solve for x
    x = 587,075,877.83/27,440.10
  6. Step 6: Final answer
    x = 21,394.81

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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.