Home / 26,421.90-36,461.93-14,485.20

Finding the Fourth Proportional to 26,421.90, 36,461.93 and 14,485.20

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Solution

The fourth proportional to 26,421.90, 36,461.93 and 14,485.20 is: 19,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.90 : 36,461.93 = 14,485.20 : x
  2. Step 2: Convert to fraction form
    26,421.90/36,461.93 = 14,485.20/x
  3. Step 3: Cross multiply
    26,421.90x = 36,461.93 × 14,485.20
  4. Step 4: Simplify right side
    26,421.90x = 528,158,276.01
  5. Step 5: Solve for x
    x = 528,158,276.01/26,421.90
  6. Step 6: Final answer
    x = 19,989.41

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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.