Home / 25,679.72-35,437.59-14,349.38

Finding the Fourth Proportional to 25,679.72, 35,437.59 and 14,349.38

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Solution

The fourth proportional to 25,679.72, 35,437.59 and 14,349.38 is: 19,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.72 : 35,437.59 = 14,349.38 : x
  2. Step 2: Convert to fraction form
    25,679.72/35,437.59 = 14,349.38/x
  3. Step 3: Cross multiply
    25,679.72x = 35,437.59 × 14,349.38
  4. Step 4: Simplify right side
    25,679.72x = 508,507,445.19
  5. Step 5: Solve for x
    x = 508,507,445.19/25,679.72
  6. Step 6: Final answer
    x = 19,801.91

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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.