Home / 25,350.71-34,988.22-15,280.67

Finding the Fourth Proportional to 25,350.71, 34,988.22 and 15,280.67

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Solution

The fourth proportional to 25,350.71, 34,988.22 and 15,280.67 is: 21,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,350.71 : 34,988.22 = 15,280.67 : x
  2. Step 2: Convert to fraction form
    25,350.71/34,988.22 = 15,280.67/x
  3. Step 3: Cross multiply
    25,350.71x = 34,988.22 × 15,280.67
  4. Step 4: Simplify right side
    25,350.71x = 534,643,531.18
  5. Step 5: Solve for x
    x = 534,643,531.18/25,350.71
  6. Step 6: Final answer
    x = 21,089.89

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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.