Home / 27,887.17-38,482.95-15,140.08

Finding the Fourth Proportional to 27,887.17, 38,482.95 and 15,140.08

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Solution

The fourth proportional to 27,887.17, 38,482.95 and 15,140.08 is: 20,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.17 : 38,482.95 = 15,140.08 : x
  2. Step 2: Convert to fraction form
    27,887.17/38,482.95 = 15,140.08/x
  3. Step 3: Cross multiply
    27,887.17x = 38,482.95 × 15,140.08
  4. Step 4: Simplify right side
    27,887.17x = 582,634,941.64
  5. Step 5: Solve for x
    x = 582,634,941.64/27,887.17
  6. Step 6: Final answer
    x = 20,892.58

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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.