Home / 27,015.08-37,281.06-15,531.72

Finding the Fourth Proportional to 27,015.08, 37,281.06 and 15,531.72

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Solution

The fourth proportional to 27,015.08, 37,281.06 and 15,531.72 is: 21,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.08 : 37,281.06 = 15,531.72 : x
  2. Step 2: Convert to fraction form
    27,015.08/37,281.06 = 15,531.72/x
  3. Step 3: Cross multiply
    27,015.08x = 37,281.06 × 15,531.72
  4. Step 4: Simplify right side
    27,015.08x = 579,038,985.22
  5. Step 5: Solve for x
    x = 579,038,985.22/27,015.08
  6. Step 6: Final answer
    x = 21,433.92

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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.