Home / 19,962.72-27,526.08-12,783.24

Finding the Fourth Proportional to 19,962.72, 27,526.08 and 12,783.24

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Solution

The fourth proportional to 19,962.72, 27,526.08 and 12,783.24 is: 17,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.72 : 27,526.08 = 12,783.24 : x
  2. Step 2: Convert to fraction form
    19,962.72/27,526.08 = 12,783.24/x
  3. Step 3: Cross multiply
    19,962.72x = 27,526.08 × 12,783.24
  4. Step 4: Simplify right side
    19,962.72x = 351,872,486.90
  5. Step 5: Solve for x
    x = 351,872,486.90/19,962.72
  6. Step 6: Final answer
    x = 17,626.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.