Home / 25,666.13-35,416.94-14,334.05

Finding the Fourth Proportional to 25,666.13, 35,416.94 and 14,334.05

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Solution

The fourth proportional to 25,666.13, 35,416.94 and 14,334.05 is: 19,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.13 : 35,416.94 = 14,334.05 : x
  2. Step 2: Convert to fraction form
    25,666.13/35,416.94 = 14,334.05/x
  3. Step 3: Cross multiply
    25,666.13x = 35,416.94 × 14,334.05
  4. Step 4: Simplify right side
    25,666.13x = 507,668,011.72
  5. Step 5: Solve for x
    x = 507,668,011.72/25,666.13
  6. Step 6: Final answer
    x = 19,779.69

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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.