Home / 27,134.02-37,445.06-15,811.28

Finding the Fourth Proportional to 27,134.02, 37,445.06 and 15,811.28

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Solution

The fourth proportional to 27,134.02, 37,445.06 and 15,811.28 is: 21,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.02 : 37,445.06 = 15,811.28 : x
  2. Step 2: Convert to fraction form
    27,134.02/37,445.06 = 15,811.28/x
  3. Step 3: Cross multiply
    27,134.02x = 37,445.06 × 15,811.28
  4. Step 4: Simplify right side
    27,134.02x = 592,054,342.83
  5. Step 5: Solve for x
    x = 592,054,342.83/27,134.02
  6. Step 6: Final answer
    x = 21,819.63

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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.