Home / 27,266.10-37,628.72-15,330.18

Finding the Fourth Proportional to 27,266.10, 37,628.72 and 15,330.18

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Solution

The fourth proportional to 27,266.10, 37,628.72 and 15,330.18 is: 21,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.10 : 37,628.72 = 15,330.18 : x
  2. Step 2: Convert to fraction form
    27,266.10/37,628.72 = 15,330.18/x
  3. Step 3: Cross multiply
    27,266.10x = 37,628.72 × 15,330.18
  4. Step 4: Simplify right side
    27,266.10x = 576,855,050.77
  5. Step 5: Solve for x
    x = 576,855,050.77/27,266.10
  6. Step 6: Final answer
    x = 21,156.49

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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.