Home / 26,455.79-39,681.26-8,925.77

Finding the Fourth Proportional to 26,455.79, 39,681.26 and 8,925.77

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Solution

The fourth proportional to 26,455.79, 39,681.26 and 8,925.77 is: 13,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.79 : 39,681.26 = 8,925.77 : x
  2. Step 2: Convert to fraction form
    26,455.79/39,681.26 = 8,925.77/x
  3. Step 3: Cross multiply
    26,455.79x = 39,681.26 × 8,925.77
  4. Step 4: Simplify right side
    26,455.79x = 354,185,888.12
  5. Step 5: Solve for x
    x = 354,185,888.12/26,455.79
  6. Step 6: Final answer
    x = 13,387.84

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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.