Home / 27,521.03-37,985.82-15,591.40

Finding the Fourth Proportional to 27,521.03, 37,985.82 and 15,591.40

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Solution

The fourth proportional to 27,521.03, 37,985.82 and 15,591.40 is: 21,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.03 : 37,985.82 = 15,591.40 : x
  2. Step 2: Convert to fraction form
    27,521.03/37,985.82 = 15,591.40/x
  3. Step 3: Cross multiply
    27,521.03x = 37,985.82 × 15,591.40
  4. Step 4: Simplify right side
    27,521.03x = 592,251,924.02
  5. Step 5: Solve for x
    x = 592,251,924.02/27,521.03
  6. Step 6: Final answer
    x = 21,519.98

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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.