Home / 18,024.48-27,038.88-10,637.28

Finding the Fourth Proportional to 18,024.48, 27,038.88 and 10,637.28

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Solution

The fourth proportional to 18,024.48, 27,038.88 and 10,637.28 is: 15,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.48 : 27,038.88 = 10,637.28 : x
  2. Step 2: Convert to fraction form
    18,024.48/27,038.88 = 10,637.28/x
  3. Step 3: Cross multiply
    18,024.48x = 27,038.88 × 10,637.28
  4. Step 4: Simplify right side
    18,024.48x = 287,620,137.45
  5. Step 5: Solve for x
    x = 287,620,137.45/18,024.48
  6. Step 6: Final answer
    x = 15,957.19

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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.