Home / 25,294.71-34,909.65-21,038.26

Finding the Fourth Proportional to 25,294.71, 34,909.65 and 21,038.26

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Solution

The fourth proportional to 25,294.71, 34,909.65 and 21,038.26 is: 29,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.71 : 34,909.65 = 21,038.26 : x
  2. Step 2: Convert to fraction form
    25,294.71/34,909.65 = 21,038.26/x
  3. Step 3: Cross multiply
    25,294.71x = 34,909.65 × 21,038.26
  4. Step 4: Simplify right side
    25,294.71x = 734,438,084.45
  5. Step 5: Solve for x
    x = 734,438,084.45/25,294.71
  6. Step 6: Final answer
    x = 29,035.25

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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.