Home / 25,776.03-38,355.30-25,688.55

Finding the Fourth Proportional to 25,776.03, 38,355.30 and 25,688.55

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Solution

The fourth proportional to 25,776.03, 38,355.30 and 25,688.55 is: 38,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.03 : 38,355.30 = 25,688.55 : x
  2. Step 2: Convert to fraction form
    25,776.03/38,355.30 = 25,688.55/x
  3. Step 3: Cross multiply
    25,776.03x = 38,355.30 × 25,688.55
  4. Step 4: Simplify right side
    25,776.03x = 985,292,041.82
  5. Step 5: Solve for x
    x = 985,292,041.82/25,776.03
  6. Step 6: Final answer
    x = 38,225.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.