Home / 21,444.04-32,152.38-12,681.64

Finding the Fourth Proportional to 21,444.04, 32,152.38 and 12,681.64

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Solution

The fourth proportional to 21,444.04, 32,152.38 and 12,681.64 is: 19,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.04 : 32,152.38 = 12,681.64 : x
  2. Step 2: Convert to fraction form
    21,444.04/32,152.38 = 12,681.64/x
  3. Step 3: Cross multiply
    21,444.04x = 32,152.38 × 12,681.64
  4. Step 4: Simplify right side
    21,444.04x = 407,744,908.30
  5. Step 5: Solve for x
    x = 407,744,908.30/21,444.04
  6. Step 6: Final answer
    x = 19,014.37

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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.