Home / 21,615.15-32,437.33-7,575.32

Finding the Fourth Proportional to 21,615.15, 32,437.33 and 7,575.32

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Solution

The fourth proportional to 21,615.15, 32,437.33 and 7,575.32 is: 11,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.15 : 32,437.33 = 7,575.32 : x
  2. Step 2: Convert to fraction form
    21,615.15/32,437.33 = 7,575.32/x
  3. Step 3: Cross multiply
    21,615.15x = 32,437.33 × 7,575.32
  4. Step 4: Simplify right side
    21,615.15x = 245,723,173.63
  5. Step 5: Solve for x
    x = 245,723,173.63/21,615.15
  6. Step 6: Final answer
    x = 11,368.10

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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.