Home / 38,315.28-52,857.72-27,688.08

Finding the Fourth Proportional to 38,315.28, 52,857.72 and 27,688.08

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Solution

The fourth proportional to 38,315.28, 52,857.72 and 27,688.08 is: 38,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.28 : 52,857.72 = 27,688.08 : x
  2. Step 2: Convert to fraction form
    38,315.28/52,857.72 = 27,688.08/x
  3. Step 3: Cross multiply
    38,315.28x = 52,857.72 × 27,688.08
  4. Step 4: Simplify right side
    38,315.28x = 1,463,528,779.98
  5. Step 5: Solve for x
    x = 1,463,528,779.98/38,315.28
  6. Step 6: Final answer
    x = 38,197.00

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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.