Home / 26,062.79-39,148.34-21,070.80

Finding the Fourth Proportional to 26,062.79, 39,148.34 and 21,070.80

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Solution

The fourth proportional to 26,062.79, 39,148.34 and 21,070.80 is: 31,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,062.79 : 39,148.34 = 21,070.80 : x
  2. Step 2: Convert to fraction form
    26,062.79/39,148.34 = 21,070.80/x
  3. Step 3: Cross multiply
    26,062.79x = 39,148.34 × 21,070.80
  4. Step 4: Simplify right side
    26,062.79x = 824,886,737.12
  5. Step 5: Solve for x
    x = 824,886,737.12/26,062.79
  6. Step 6: Final answer
    x = 31,649.98

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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.