Home / 25,130.80-34,681.40-16,647.67

Finding the Fourth Proportional to 25,130.80, 34,681.40 and 16,647.67

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Solution

The fourth proportional to 25,130.80, 34,681.40 and 16,647.67 is: 22,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.80 : 34,681.40 = 16,647.67 : x
  2. Step 2: Convert to fraction form
    25,130.80/34,681.40 = 16,647.67/x
  3. Step 3: Cross multiply
    25,130.80x = 34,681.40 × 16,647.67
  4. Step 4: Simplify right side
    25,130.80x = 577,364,502.34
  5. Step 5: Solve for x
    x = 577,364,502.34/25,130.80
  6. Step 6: Final answer
    x = 22,974.38

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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.