Home / 27,539.74-38,003.47-15,602.77

Finding the Fourth Proportional to 27,539.74, 38,003.47 and 15,602.77

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Solution

The fourth proportional to 27,539.74, 38,003.47 and 15,602.77 is: 21,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.74 : 38,003.47 = 15,602.77 : x
  2. Step 2: Convert to fraction form
    27,539.74/38,003.47 = 15,602.77/x
  3. Step 3: Cross multiply
    27,539.74x = 38,003.47 × 15,602.77
  4. Step 4: Simplify right side
    27,539.74x = 592,959,401.61
  5. Step 5: Solve for x
    x = 592,959,401.61/27,539.74
  6. Step 6: Final answer
    x = 21,531.05

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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.