Home / 21,577.61-32,369.60-11,053.58

Finding the Fourth Proportional to 21,577.61, 32,369.60 and 11,053.58

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Solution

The fourth proportional to 21,577.61, 32,369.60 and 11,053.58 is: 16,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.61 : 32,369.60 = 11,053.58 : x
  2. Step 2: Convert to fraction form
    21,577.61/32,369.60 = 11,053.58/x
  3. Step 3: Cross multiply
    21,577.61x = 32,369.60 × 11,053.58
  4. Step 4: Simplify right side
    21,577.61x = 357,799,963.17
  5. Step 5: Solve for x
    x = 357,799,963.17/21,577.61
  6. Step 6: Final answer
    x = 16,582.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.