Home / 26,122.86-36,047.55-15,368.16

Finding the Fourth Proportional to 26,122.86, 36,047.55 and 15,368.16

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Solution

The fourth proportional to 26,122.86, 36,047.55 and 15,368.16 is: 21,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.86 : 36,047.55 = 15,368.16 : x
  2. Step 2: Convert to fraction form
    26,122.86/36,047.55 = 15,368.16/x
  3. Step 3: Cross multiply
    26,122.86x = 36,047.55 × 15,368.16
  4. Step 4: Simplify right side
    26,122.86x = 553,984,598.00
  5. Step 5: Solve for x
    x = 553,984,598.00/26,122.86
  6. Step 6: Final answer
    x = 21,206.89

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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.