Home / 21,585.15-32,356.13-7,534.28

Finding the Fourth Proportional to 21,585.15, 32,356.13 and 7,534.28

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Solution

The fourth proportional to 21,585.15, 32,356.13 and 7,534.28 is: 11,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.15 : 32,356.13 = 7,534.28 : x
  2. Step 2: Convert to fraction form
    21,585.15/32,356.13 = 7,534.28/x
  3. Step 3: Cross multiply
    21,585.15x = 32,356.13 × 7,534.28
  4. Step 4: Simplify right side
    21,585.15x = 243,780,186.36
  5. Step 5: Solve for x
    x = 243,780,186.36/21,585.15
  6. Step 6: Final answer
    x = 11,293.88

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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.