Home / 27,563.78-38,038.02-14,988.50

Finding the Fourth Proportional to 27,563.78, 38,038.02 and 14,988.50

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Solution

The fourth proportional to 27,563.78, 38,038.02 and 14,988.50 is: 20,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.78 : 38,038.02 = 14,988.50 : x
  2. Step 2: Convert to fraction form
    27,563.78/38,038.02 = 14,988.50/x
  3. Step 3: Cross multiply
    27,563.78x = 38,038.02 × 14,988.50
  4. Step 4: Simplify right side
    27,563.78x = 570,132,862.77
  5. Step 5: Solve for x
    x = 570,132,862.77/27,563.78
  6. Step 6: Final answer
    x = 20,684.13

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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.