Home / 27,342.09-40,988.48-9,807.80

Finding the Fourth Proportional to 27,342.09, 40,988.48 and 9,807.80

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Solution

The fourth proportional to 27,342.09, 40,988.48 and 9,807.80 is: 14,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.09 : 40,988.48 = 9,807.80 : x
  2. Step 2: Convert to fraction form
    27,342.09/40,988.48 = 9,807.80/x
  3. Step 3: Cross multiply
    27,342.09x = 40,988.48 × 9,807.80
  4. Step 4: Simplify right side
    27,342.09x = 402,006,560.16
  5. Step 5: Solve for x
    x = 402,006,560.16/27,342.09
  6. Step 6: Final answer
    x = 14,702.85

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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.