Home / 27,779.36-38,354.08-16,452.50

Finding the Fourth Proportional to 27,779.36, 38,354.08 and 16,452.50

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Solution

The fourth proportional to 27,779.36, 38,354.08 and 16,452.50 is: 22,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.36 : 38,354.08 = 16,452.50 : x
  2. Step 2: Convert to fraction form
    27,779.36/38,354.08 = 16,452.50/x
  3. Step 3: Cross multiply
    27,779.36x = 38,354.08 × 16,452.50
  4. Step 4: Simplify right side
    27,779.36x = 631,020,501.20
  5. Step 5: Solve for x
    x = 631,020,501.20/27,779.36
  6. Step 6: Final answer
    x = 22,715.44

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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.