Home / 25,853.08-38,779.82-14,159.92

Finding the Fourth Proportional to 25,853.08, 38,779.82 and 14,159.92

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Solution

The fourth proportional to 25,853.08, 38,779.82 and 14,159.92 is: 21,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.08 : 38,779.82 = 14,159.92 : x
  2. Step 2: Convert to fraction form
    25,853.08/38,779.82 = 14,159.92/x
  3. Step 3: Cross multiply
    25,853.08x = 38,779.82 × 14,159.92
  4. Step 4: Simplify right side
    25,853.08x = 549,119,148.81
  5. Step 5: Solve for x
    x = 549,119,148.81/25,853.08
  6. Step 6: Final answer
    x = 21,239.99

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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.