Home / 27,417.72-37,834.38-15,479.40

Finding the Fourth Proportional to 27,417.72, 37,834.38 and 15,479.40

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Solution

The fourth proportional to 27,417.72, 37,834.38 and 15,479.40 is: 21,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.72 : 37,834.38 = 15,479.40 : x
  2. Step 2: Convert to fraction form
    27,417.72/37,834.38 = 15,479.40/x
  3. Step 3: Cross multiply
    27,417.72x = 37,834.38 × 15,479.40
  4. Step 4: Simplify right side
    27,417.72x = 585,653,501.77
  5. Step 5: Solve for x
    x = 585,653,501.77/27,417.72
  6. Step 6: Final answer
    x = 21,360.40

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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.