Home / 25,822.08-38,732.16-15,978.24

Finding the Fourth Proportional to 25,822.08, 38,732.16 and 15,978.24

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Solution

The fourth proportional to 25,822.08, 38,732.16 and 15,978.24 is: 23,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,822.08 : 38,732.16 = 15,978.24 : x
  2. Step 2: Convert to fraction form
    25,822.08/38,732.16 = 15,978.24/x
  3. Step 3: Cross multiply
    25,822.08x = 38,732.16 × 15,978.24
  4. Step 4: Simplify right side
    25,822.08x = 618,871,748.20
  5. Step 5: Solve for x
    x = 618,871,748.20/25,822.08
  6. Step 6: Final answer
    x = 23,966.77

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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.