Home / 25,680.64-35,438.01-14,347.90

Finding the Fourth Proportional to 25,680.64, 35,438.01 and 14,347.90

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Solution

The fourth proportional to 25,680.64, 35,438.01 and 14,347.90 is: 19,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.64 : 35,438.01 = 14,347.90 : x
  2. Step 2: Convert to fraction form
    25,680.64/35,438.01 = 14,347.90/x
  3. Step 3: Cross multiply
    25,680.64x = 35,438.01 × 14,347.90
  4. Step 4: Simplify right side
    25,680.64x = 508,461,023.68
  5. Step 5: Solve for x
    x = 508,461,023.68/25,680.64
  6. Step 6: Final answer
    x = 19,799.39

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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.