Home / 27,539.61-38,003.45-15,602.72

Finding the Fourth Proportional to 27,539.61, 38,003.45 and 15,602.72

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Solution

The fourth proportional to 27,539.61, 38,003.45 and 15,602.72 is: 21,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.61 : 38,003.45 = 15,602.72 : x
  2. Step 2: Convert to fraction form
    27,539.61/38,003.45 = 15,602.72/x
  3. Step 3: Cross multiply
    27,539.61x = 38,003.45 × 15,602.72
  4. Step 4: Simplify right side
    27,539.61x = 592,956,921.35
  5. Step 5: Solve for x
    x = 592,956,921.35/27,539.61
  6. Step 6: Final answer
    x = 21,531.06

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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.