Home / 19,315.40-28,925.80-17,445.48

Finding the Fourth Proportional to 19,315.40, 28,925.80 and 17,445.48

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Solution

The fourth proportional to 19,315.40, 28,925.80 and 17,445.48 is: 26,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.40 : 28,925.80 = 17,445.48 : x
  2. Step 2: Convert to fraction form
    19,315.40/28,925.80 = 17,445.48/x
  3. Step 3: Cross multiply
    19,315.40x = 28,925.80 × 17,445.48
  4. Step 4: Simplify right side
    19,315.40x = 504,624,465.38
  5. Step 5: Solve for x
    x = 504,624,465.38/19,315.40
  6. Step 6: Final answer
    x = 26,125.50

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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.