Home / 28,050.30-38,709.48-15,303.52

Finding the Fourth Proportional to 28,050.30, 38,709.48 and 15,303.52

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Solution

The fourth proportional to 28,050.30, 38,709.48 and 15,303.52 is: 21,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.30 : 38,709.48 = 15,303.52 : x
  2. Step 2: Convert to fraction form
    28,050.30/38,709.48 = 15,303.52/x
  3. Step 3: Cross multiply
    28,050.30x = 38,709.48 × 15,303.52
  4. Step 4: Simplify right side
    28,050.30x = 592,391,301.37
  5. Step 5: Solve for x
    x = 592,391,301.37/28,050.30
  6. Step 6: Final answer
    x = 21,118.89

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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.