Home / 27,737.63-38,273.51-15,801.20

Finding the Fourth Proportional to 27,737.63, 38,273.51 and 15,801.20

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Solution

The fourth proportional to 27,737.63, 38,273.51 and 15,801.20 is: 21,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.63 : 38,273.51 = 15,801.20 : x
  2. Step 2: Convert to fraction form
    27,737.63/38,273.51 = 15,801.20/x
  3. Step 3: Cross multiply
    27,737.63x = 38,273.51 × 15,801.20
  4. Step 4: Simplify right side
    27,737.63x = 604,767,307.21
  5. Step 5: Solve for x
    x = 604,767,307.21/27,737.63
  6. Step 6: Final answer
    x = 21,803.14

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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.