Home / 21,390.04-32,051.22-15,519.16

Finding the Fourth Proportional to 21,390.04, 32,051.22 and 15,519.16

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Solution

The fourth proportional to 21,390.04, 32,051.22 and 15,519.16 is: 23,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.04 : 32,051.22 = 15,519.16 : x
  2. Step 2: Convert to fraction form
    21,390.04/32,051.22 = 15,519.16/x
  3. Step 3: Cross multiply
    21,390.04x = 32,051.22 × 15,519.16
  4. Step 4: Simplify right side
    21,390.04x = 497,408,011.38
  5. Step 5: Solve for x
    x = 497,408,011.38/21,390.04
  6. Step 6: Final answer
    x = 23,254.19

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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.