Home / 27,810.52-38,347.77-17,722.99

Finding the Fourth Proportional to 27,810.52, 38,347.77 and 17,722.99

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Solution

The fourth proportional to 27,810.52, 38,347.77 and 17,722.99 is: 24,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.52 : 38,347.77 = 17,722.99 : x
  2. Step 2: Convert to fraction form
    27,810.52/38,347.77 = 17,722.99/x
  3. Step 3: Cross multiply
    27,810.52x = 38,347.77 × 17,722.99
  4. Step 4: Simplify right side
    27,810.52x = 679,637,144.23
  5. Step 5: Solve for x
    x = 679,637,144.23/27,810.52
  6. Step 6: Final answer
    x = 24,438.13

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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.