Home / 27,681.12-38,206.08-17,607.60

Finding the Fourth Proportional to 27,681.12, 38,206.08 and 17,607.60

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Solution

The fourth proportional to 27,681.12, 38,206.08 and 17,607.60 is: 24,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.12 : 38,206.08 = 17,607.60 : x
  2. Step 2: Convert to fraction form
    27,681.12/38,206.08 = 17,607.60/x
  3. Step 3: Cross multiply
    27,681.12x = 38,206.08 × 17,607.60
  4. Step 4: Simplify right side
    27,681.12x = 672,717,374.21
  5. Step 5: Solve for x
    x = 672,717,374.21/27,681.12
  6. Step 6: Final answer
    x = 24,302.39

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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.