Home / 19,779.34-29,658.07-15,037.20

Finding the Fourth Proportional to 19,779.34, 29,658.07 and 15,037.20

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Solution

The fourth proportional to 19,779.34, 29,658.07 and 15,037.20 is: 22,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.34 : 29,658.07 = 15,037.20 : x
  2. Step 2: Convert to fraction form
    19,779.34/29,658.07 = 15,037.20/x
  3. Step 3: Cross multiply
    19,779.34x = 29,658.07 × 15,037.20
  4. Step 4: Simplify right side
    19,779.34x = 445,974,330.20
  5. Step 5: Solve for x
    x = 445,974,330.20/19,779.34
  6. Step 6: Final answer
    x = 22,547.48

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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.