Home / 28,463.40-39,294.72-19,047.96

Finding the Fourth Proportional to 28,463.40, 39,294.72 and 19,047.96

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Solution

The fourth proportional to 28,463.40, 39,294.72 and 19,047.96 is: 26,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.40 : 39,294.72 = 19,047.96 : x
  2. Step 2: Convert to fraction form
    28,463.40/39,294.72 = 19,047.96/x
  3. Step 3: Cross multiply
    28,463.40x = 39,294.72 × 19,047.96
  4. Step 4: Simplify right side
    28,463.40x = 748,484,254.77
  5. Step 5: Solve for x
    x = 748,484,254.77/28,463.40
  6. Step 6: Final answer
    x = 26,296.38

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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.