Home / 25,888.95-38,776.52-21,395.70

Finding the Fourth Proportional to 25,888.95, 38,776.52 and 21,395.70

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Solution

The fourth proportional to 25,888.95, 38,776.52 and 21,395.70 is: 32,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.95 : 38,776.52 = 21,395.70 : x
  2. Step 2: Convert to fraction form
    25,888.95/38,776.52 = 21,395.70/x
  3. Step 3: Cross multiply
    25,888.95x = 38,776.52 × 21,395.70
  4. Step 4: Simplify right side
    25,888.95x = 829,650,681.99
  5. Step 5: Solve for x
    x = 829,650,681.99/25,888.95
  6. Step 6: Final answer
    x = 32,046.52

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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.