Home / 27,900.48-38,499.52-16,565.92

Finding the Fourth Proportional to 27,900.48, 38,499.52 and 16,565.92

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Solution

The fourth proportional to 27,900.48, 38,499.52 and 16,565.92 is: 22,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.48 : 38,499.52 = 16,565.92 : x
  2. Step 2: Convert to fraction form
    27,900.48/38,499.52 = 16,565.92/x
  3. Step 3: Cross multiply
    27,900.48x = 38,499.52 × 16,565.92
  4. Step 4: Simplify right side
    27,900.48x = 637,779,968.36
  5. Step 5: Solve for x
    x = 637,779,968.36/27,900.48
  6. Step 6: Final answer
    x = 22,859.10

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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.