Home / 27,445.83-37,875.32-15,346.74

Finding the Fourth Proportional to 27,445.83, 37,875.32 and 15,346.74

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Solution

The fourth proportional to 27,445.83, 37,875.32 and 15,346.74 is: 21,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.83 : 37,875.32 = 15,346.74 : x
  2. Step 2: Convert to fraction form
    27,445.83/37,875.32 = 15,346.74/x
  3. Step 3: Cross multiply
    27,445.83x = 37,875.32 × 15,346.74
  4. Step 4: Simplify right side
    27,445.83x = 581,262,611.72
  5. Step 5: Solve for x
    x = 581,262,611.72/27,445.83
  6. Step 6: Final answer
    x = 21,178.54

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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.