Home / 25,340.28-34,969.64-14,162.28

Finding the Fourth Proportional to 25,340.28, 34,969.64 and 14,162.28

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Solution

The fourth proportional to 25,340.28, 34,969.64 and 14,162.28 is: 19,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.28 : 34,969.64 = 14,162.28 : x
  2. Step 2: Convert to fraction form
    25,340.28/34,969.64 = 14,162.28/x
  3. Step 3: Cross multiply
    25,340.28x = 34,969.64 × 14,162.28
  4. Step 4: Simplify right side
    25,340.28x = 495,249,833.18
  5. Step 5: Solve for x
    x = 495,249,833.18/25,340.28
  6. Step 6: Final answer
    x = 19,543.98

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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.